Streamlight 66134 Stylus Pro USB 350-Lumen Rechargeable White LED Pen Light for Inspectors, Law Enforcement, and Everyday Use with USB Cable, and Nylon Holster, Black


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  • Ultra-slim design: The Stylus USB pen light has a lightweight, compact body that fits easily in pockets, tool kits, or medical pouches; Suitable for medical staff, law enforcement, technicians, and users who need a pen light for close-up tasks or low-light environments.
  • Reliable White LED Output: Produces bright and steady lighting with extended runtime, ideal for inspecting and working safely in confined spaces
  • Long Runtime & Fast Charging: Runs up to 1.5 Hours on high or 3.5 Hours on low; rechargeable battery charges via USB in about 2.5 Hours; includes USB to micro-USB charging cable
  • Professional Applications: Perfect for technicians, first responders, medical staff, and everyday users who need a durable, reliable penlight for low-light environments
  • Built Streamlight Tough: IPX4 water resistant and 1-Meter impact resistance tested; water-resistant sliding metal sleeve protects USB port
Special Feature Adjustable Light Modes, Impact Resistant, Lightweight, Portable, Rechargeable, Weatherproof
Color Black
Power Source Battery Powered
Light Source Type LED
Material Aluminum, Polycarbonate

When the job runs late into the night or takes you into tight, shadowed spaces, fumbling with weak lights and dead batteries isn’t an option. Picture a field technician tracing conduit above ceiling tiles, an industrial inspector examining welds deep inside a tank, or a law enforcement officer walking a dim facility perimeter. Each needs a powerful, compact, and reliable light that keeps up with their pace. The Streamlight Stylus Pro USB pen light delivers the solution. With an impressive 350-Lumen white LED output, the Stylus Pro rechargeable pen light provide a bright, focused beam that cuts through darkness with ease. Their slim, lightweight design clips securely into a shirt pocket or tool pouch, making them perfect for everyday carry-on job sites, in factories, or in the field. Technicians, inspectors, industrial workers, and law enforcement rely on the Stylus Pro USB for inspections, diagnostics, equipment checks, and tactical applications where dependable light is critical. The USB rechargeable battery eliminates the need for disposable cells, reducing downtime and ensuring the light is ready when you are. Constructed from durable anodized aluminum with a secure tail cap switch, these pen lights are built to withstand daily professional use. Whether you’re crawling through a tight access panel or walking a dim warehouse floor, the Streamlight Stylus Pro USB 66133 and 66134 provide the bright, rechargeable lighting solution trusted by professionals who can’t afford to be left in the dark.

  • adsedertzsm@gmail.com

    08-03-2026

    This is one of the best pen type flashlights I've ever owned. It's bright and doesn't eat up the batteries like most. I've had the blue one for over 6 years. I lost the blue one a couple years ago. Then ordered the silver one. After the silver flashlight arrived I found the blue one in my driveway. My truck ran over it and it was sunk down in the gravel and dirt. Took it in cleaned it off and worked fine, didn't even dent it Missing about two weeks. It's lightweight and waterproof. What I liked about it is I wear overalls all the time and it fits comfortable in my bib front pocket along with my pocket knife. I always have it with me and has come in handy hundreds of times I don't leave home without it. As for buying it again, just as soon as I thought the blue one was lost I re bought the silver one. I won't go anywhere without it. It's a durable product well worth the money.

  • avery@microsoft.com

    08-03-2026

    I've only owned the pen light for a couple of days now, but so far I love it!I've gotten used to carrying a small LED flashlight around with me. It's amazing how often a flashlight comes in handy (looking for something on the floor of a movie theater, on the floor of your car, etc...). It's just a great tool to have. LED light is so bright and clear, it really helps you see more than traditional lights. It's such a step up from the old yellow flashlights of our past. I bought two small'ish high quality Leatherman flashlights at Costco for $25-$30 each. I also bought two not-so-high quality flashlights at Sam's Club for $28 (package of two). I'd either keep one in my car or take it with me when I go wherever I went. Therein lies the problem.Carrying a flashlight, especially a well-made one (i.e. heavier), is a pain. It's very difficult if you're just relying on your pockets & hands. It's easier if you carry a backpack or a man bag, but that's not always practical. Anyway, a flashlight was always just another thing I had to carry (iPod, Flip video, cell phone, wallet, keys) wherever I went. Living in the Midwest, we have very cold winters and very hot/humid summers. I'm not a fan of leaving electronics in freezing or sweltering vehicles, so I always have to truck everything around with me.Well, thanks to this pen light, I have one fewer thing to carry. Sure, it still has to go with me, but I hardly know it's there! Obviously it's the size of a pen, so it's very small. It's also very lightweight. The light is extremely bright, much more than I'd expect from a product this size. Just stick it in your pocket and go. It feels like it's very high quality, and will hold up with more than a few drops (not that I'd recommend dropping it, but it happens).Be careful with the holster. It comes very tight and will grip onto anything. At the movies this weekend, I ended up using the light for something, and then attached the holster to the leg of my shorts. When I stood up (and the light stayed firmly in place), I decided to pull it off my shorts leg. I wasn't thinking. Make sure you gently slide it off whatever it's clipped onto. I ended up pulling it out more than sliding it down, and it bent the holster out a bit. Now it's not as tight as it was when it came, and will no longer grip onto just anything.

  • adlogngashaw14@gmail.com

    08-03-2026

    THIS PEN LIGHT IS ALMOST INDESTRUCTIBLE! THIS IS MY 3rd SET JUST BECAUSE I KEEP LEAVING IT CARS I WORK ON AS IM A AUTO TECHINICIAN. CANNOT RECOMMEND THIS HIGHLY ENOUGH! PLUS THE DELIVERY TIME WAS SUPER FAST!

  • kaitlinvalentine61@gmail.com

    08-03-2026

    Inspections

  • willantoniogonzaleztobar@gmail.com

    08-03-2026

    He comprado este articulo en dos ocasiones y es algo que vale la pena tener en casa tiene un buen alcance e iluminación para el tamaño de la lampara, es un producto de calidad.

  • xklein@gmail.com

    08-03-2026

    The light is bright and charged quickly. My husband uses this everyday!

  • laosiemreab@gmail.com

    08-03-2026

    Excellent light, very bright. Small and convenient. My only complaint is the on/off button can be difficult to engage.

  • clasenmodesittlylc7918@gmail.com

    08-03-2026

    this is a great small bright AAA flashlight - and it has a pocket clip that actually works!

  • zander@microsoft.com

    08-03-2026

    Still carry this every day !! Paints wore off but it still is great value for the money!

  • tthuli516@gmail.com

    08-03-2026

    So far this light has impressed me. I use it daily(had it about a year now) as a career fireman, and no issues. It lasts a decent time between charges, usually plenty bright on the low setting, and it’s tough. Recently it fell out of my pocket in my gravel driveway, before I realized it was missing I ran over it with my pickup. It suffered a few cosmetic marks, but still works fine.

  • 测试2

    08-03-2026

    自動車整備に使っています。明るさ、使い勝手どちらも◎です。おすすめの商品です。

  • kimberlyafsarahub0659@gmail.com

    08-03-2026

    Well build quality

  • maryzblisaag6440@gmail.com

    08-03-2026

    2-year review: STILL my #1 EDC flashlight!I wish I could give 10⭐'s out of 5 because I would. From the insane durability to the high quality case and body; to the rechargeable battery to the perfect fit! This hits every mark I had and some I didn't even know I needed. I work in a rehabilitation center and regularly get called to search for "contraband" in tight places. This little guy has never failed me. It is so bright I often only need the low setting to get done what needs done. The charge lasts for hours -even on high! Overall I have no complaints. The only slightly negative thing about it, and this is just preference- is the micro USB instead of the USB-C connection. But I bought this over 2 years ago so it may have been updated since. The brightness is 5⭐, weight is perfect and case(body) is durable metal, also 5⭐. The kicker for me is how compact it is for such a great, would, rechargeable EDC flashlight.10⭐/5

There have been no reviews for this product yet.
  • ads******

    This is one of the best pen type flashlights I've ever owned. It's bright and doesn't eat up the batteries like most. I've had the blue one for over 6 years. I lost the blue one a couple years ago. Then ordered the silver one. After the silver flashlight arrived I found the blue one in my driveway. My truck ran over it and it was sunk down in the gravel and dirt. Took it in cleaned it off and worked fine, didn't even dent it Missing about two weeks. It's lightweight and waterproof. What I liked about it is I wear overalls all the time and it fits comfortable in my bib front pocket along with my pocket knife. I always have it with me and has come in handy hundreds of times I don't leave home without it. As for buying it again, just as soon as I thought the blue one was lost I re bought the silver one. I won't go anywhere without it. It's a durable product well worth the money.

    Image

  • ave******

    I've only owned the pen light for a couple of days now, but so far I love it!I've gotten used to carrying a small LED flashlight around with me. It's amazing how often a flashlight comes in handy (looking for something on the floor of a movie theater, on the floor of your car, etc...). It's just a great tool to have. LED light is so bright and clear, it really helps you see more than traditional lights. It's such a step up from the old yellow flashlights of our past. I bought two small'ish high quality Leatherman flashlights at Costco for $25-$30 each. I also bought two not-so-high quality flashlights at Sam's Club for $28 (package of two). I'd either keep one in my car or take it with me when I go wherever I went. Therein lies the problem.Carrying a flashlight, especially a well-made one (i.e. heavier), is a pain. It's very difficult if you're just relying on your pockets & hands. It's easier if you carry a backpack or a man bag, but that's not always practical. Anyway, a flashlight was always just another thing I had to carry (iPod, Flip video, cell phone, wallet, keys) wherever I went. Living in the Midwest, we have very cold winters and very hot/humid summers. I'm not a fan of leaving electronics in freezing or sweltering vehicles, so I always have to truck everything around with me.Well, thanks to this pen light, I have one fewer thing to carry. Sure, it still has to go with me, but I hardly know it's there! Obviously it's the size of a pen, so it's very small. It's also very lightweight. The light is extremely bright, much more than I'd expect from a product this size. Just stick it in your pocket and go. It feels like it's very high quality, and will hold up with more than a few drops (not that I'd recommend dropping it, but it happens).Be careful with the holster. It comes very tight and will grip onto anything. At the movies this weekend, I ended up using the light for something, and then attached the holster to the leg of my shorts. When I stood up (and the light stayed firmly in place), I decided to pull it off my shorts leg. I wasn't thinking. Make sure you gently slide it off whatever it's clipped onto. I ended up pulling it out more than sliding it down, and it bent the holster out a bit. Now it's not as tight as it was when it came, and will no longer grip onto just anything.

  • adl******

    THIS PEN LIGHT IS ALMOST INDESTRUCTIBLE! THIS IS MY 3rd SET JUST BECAUSE I KEEP LEAVING IT CARS I WORK ON AS IM A AUTO TECHINICIAN. CANNOT RECOMMEND THIS HIGHLY ENOUGH! PLUS THE DELIVERY TIME WAS SUPER FAST!

  • kai******

    Inspections

  • wil******

    He comprado este articulo en dos ocasiones y es algo que vale la pena tener en casa tiene un buen alcance e iluminación para el tamaño de la lampara, es un producto de calidad.

  • xkl******

    The light is bright and charged quickly. My husband uses this everyday!

  • lao******

    Excellent light, very bright. Small and convenient. My only complaint is the on/off button can be difficult to engage.

  • cla******

    this is a great small bright AAA flashlight - and it has a pocket clip that actually works!

  • zan******

    Still carry this every day !! Paints wore off but it still is great value for the money!

  • tth******

    So far this light has impressed me. I use it daily(had it about a year now) as a career fireman, and no issues. It lasts a decent time between charges, usually plenty bright on the low setting, and it’s tough. Recently it fell out of my pocket in my gravel driveway, before I realized it was missing I ran over it with my pickup. It suffered a few cosmetic marks, but still works fine.

  • 测******

    自動車整備に使っています。明るさ、使い勝手どちらも◎です。おすすめの商品です。

  • kim******

    Well build quality

  • mar******

    2-year review: STILL my #1 EDC flashlight!I wish I could give 10⭐'s out of 5 because I would. From the insane durability to the high quality case and body; to the rechargeable battery to the perfect fit! This hits every mark I had and some I didn't even know I needed. I work in a rehabilitation center and regularly get called to search for "contraband" in tight places. This little guy has never failed me. It is so bright I often only need the low setting to get done what needs done. The charge lasts for hours -even on high! Overall I have no complaints. The only slightly negative thing about it, and this is just preference- is the micro USB instead of the USB-C connection. But I bought this over 2 years ago so it may have been updated since. The brightness is 5⭐, weight is perfect and case(body) is durable metal, also 5⭐. The kicker for me is how compact it is for such a great, would, rechargeable EDC flashlight.10⭐/5

    Image Image

Streamlight 66134 Stylus Pro USB 350-Lumen Penlight With USB Cord, Black with White Beam

The Streamlight Stylus Pro USB Rechargeable Pen Light provides the flexibility of charging on-the-go using virtually any USB power source, so you'll always have light when you need it.

Powerful LED Technology for extreme brightness.

A sleek USB rechargeable pen light that conveninently fits in your pocket. Allows the flexibility of charging on-the-go, provides a pocket clip for convenience, and the ultimate in versatility with high and low mode functionality. Provides 350 lumens for amazing brightness.

A tail cap switch for momentary or constant on operation, high and low modes, a pocket clip for convenience, and amazing brightness and run time for a light of its size. The aluminum housing with Type II Military Spec anodizing helps make the light extremely durable and abrasion resistant.

Streamlight Li-Ion cell pack with on-board safety circuit.

Charge Indicator: Lights red when charging - Lights green when fully charged.

Fully recharges battery in 2.5 hours and charges battery in product.

LIGHT SOURCE

White LED, impervious to shock. Fully regulated output for consistent lumen performance over the battery life.

LIGHT OUTPUT

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Streamlight is a "hands-on" company.

We learn by doing, so we understand what our customers need because we're out there doing what they do, using the same lighting tools in the same ways.

We go through firefighters' training. We take courses in low-light shooting. We're hunters, fishermen, outdoor and sports enthusiasts. We believe it's our hands-on, real-world experience that leads to new ideas and innovations that set Streamlight apart.

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Holiday Gift Guide

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TACTICAL HANDHELD LIGHTS

Streamlight flashlight and headlamp with hunters at night in the woods, high lumen battery powered We Listen. We Learn. We Get It.

We make it a point to get out in the field and talk to our customers. We hold focus groups to hear what they like about our products; but we're more interested in what they don't like, what needs to be improved, and what lighting problems have yet to be solved. Customer feedback helps us continually improve existing products and create new and better ones.

Safety-Rated Lights

The most extreme hazardous conditions are often in dark places. Streamlight has a complete line of safety-rated lights that are safe to use in hazardous environments.

Streamlight 90540 Survivor LED Right Angle Flashlight, Orange, 175-Lumens Streamlight 68750 Dualie 3AA 140 Lumen Dual Function intrinsically safe AA Battery flashlight Streamlight PolyStinger LED HAZ-LO Intrinsically Safe Rechargeable Flashlight, 130 Lumens, Yellow Streamlight Vulcan HAZ-LO 180 Lumen Standard System Clss I DIV.1 Rechargeable Lantern

SAFETY-RATED LIGHTS

Streamlight Dualie Safety Rated Work Light Streamlight 69434 TLR-8A G Flex High Lumen Tactical Gun Mount Weapon Light Streamlight 69429 TLR-7A Flex High Lumen Tactical Weapon Mount Gun Light Streamlight 69260 TLR-1 HL Tactical Weapon Mount Gun Light Streamlight 69270 TLR-6 High Lumen Tactical Weapon Mount Gun Light

WEAPON-MOUNTED LIGHTS

Streamlight Brand Story Headlamp High Lumen Flashlights Streamlight Septor  Impact and Water Resistant LED Headlamp Streamlight 61601 Double Clutch  Dual Fuel Optioned LED Headlamp Streamlight 89019 Sledge 1000-Lumen Max 600-Lumen Standard 1800-Candela Rechargeable Low-Profile ... Streamlight 61631 SL-Sidesaddle USB 400-Lumen Rechargeable Hands-Free Universal Hard Hat, Helmet,...

HEADLAMPS

Streamlight Brand Story Siege Lantern, High Lumen Flashlights WORKLIGHTS SERIES

In the garage, on the work truck or in the field, Streamlight delivers light where you need it. At Streamlight we innovate lighting solutions that make sense. We build lights that put function right alongisde performance and convenience. That's exactly what our family of worklights is designed to deliver. With innovative mounts, charging systems and light delivery, we make it easier for you to get the job done.

Streamlight Syclone worklight Streamlight 46000 High-Lumen Rechargeable Portable Scene Light II with 120V AC/12V DC Power, Red Streamlight Strion Switchblade USB Streamlight FlipMate Flashlight USB Streamlight Syclone Flashlight Work Light

WORKLIGHT SERIES

Streamlight Portable Scene Light II Lifestyle Image Streamlight 88031 ProTac 2L 350-Lumen Super Bright Tactical Flashlight With CR123A Batteries, Black Streamlight Dualie Safety Rated Work Light Streamlight 66601 MicroStream 250-Lumen USB Rechargeable Pocket Light Streamlight 44956 Siege X USB Rechargeable Outdoor Lantern

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