DARKDAWN UV 365nm Light Flashlight USB Rechargeable Ultraviolet LED Woods Lamp Portable Blacklight for cat Urine Detection Dry Stains, Uranium Glass, Resin Curing, D300 365 nm

The light from these is more blue, in the visible spectrum. The focused beam illuminates things as well as the more powerful ones, but it's anemic and has limited range when floodlighted. I use these to check how well the kids cleaned their bathrooms, pet stains, and bedbugs at hotels. They have held up well. The 18650 battery is removable.

Such a great UV light! I bought it for finding scorpions while on vacation, finding pet stains and for inspecting hotel rooms 🤮. - It's intense enough to make things pop in darkness even at a distance. - The zoom/beam focus is great for intensifying small areas or detail - Durable and well built, I've had mine for several months and used them far more than I expected, they both still work great! - Compact size. Small enough to fit in your pocket but large enough to feel good in your hand - It's a higher than normal watt LED and so it will heat up with anything more than a few minutes of use. It's not hot enough to be uncomfortable, but you'll definitely notice it! - With a little bit of effort you can remove the pocket clip and turn it around to clip it to the bill of your ball cap or just leave it off if you like. - The on/off button has a charging/charged indicator light (red/green) but there isn't a battery level indicator, but I feel like it has really good battery life. If you needed longer running time, it uses a removable 18650 Li-ion cell and you could purchase extras, they're only about $20 for 4 with a charger. - USB-C charging port was a MUST for me! Fast charging, durable connecting port (unlike other USB ports). **However** The USB -C port on this is recessed just enough that some standard cords may not have a long enough tip to make a full connection. The one that came with it works great, but when I tried other cords only about half of them worked Aside from the USB port, my only complaint is that the on/off button and the rubber charging port cover are 180° from each other and so if you're not looking at it and just going by feel, you'll find yourself pressing the charging port cover instead of the on/off button 🤪

I use these with UV cure epoxy to repair solder mask on PC boards. They are effective and can be focused tightly for quickly curing small areas or wider for curing larger areas. You could also use these for verifying paper money (at least in the US). I recommend these for anyone needing a UV light.

used these UV lights for Yooper lite hunting in the U.P. of Michigan. Perfect size for toddler and myself. Not heavy, and easy on/off button. They weren't quite as strong as the more expensive ones, but worked good for rock hunting.

Works Great! Can Find all the Spluge spots

Very good

After 6 months a wire or something came loose because it only provides an intermittent light or just plain dies. It did what it said, but is useless now. If I had to do it over I'd get a more powerful one. I use it to find dog urine in carpet.

We live in the desert SW, moved to a different neighborhood, and have noticed some critters around the outside of our home. I have some older UV flashlights that use 3xAAA batteries. I was recently told there are scorpions in the neighborhood, which isn't a big surprise. So on a recent night I took the old UV flashlight outside and the scorpions glow remarkably, but the flashlight wasn't very bright, and I figured I didn't see lot of them even though they're there. So I bought a set of two of these 365nM lights, not expecting them to be much better. The old ones are probably closer to 400nM wavelength (they look more purple, whereas these look more sky blue when pointed at something white that does not fluoresce). WOW! We have lots of scorpions (the tiny, very deadly ones) in our backyard. These are MUCH brighter, and they fluoresce cotton and paper and other material much more than the old lights do. I wasn't just impressed, but amazed! They took a long time to charge (about 3-4 hours) when I first plugged them in to a 65W charger that supports QC, PD and a bunch of fast-charging protocols. They get a somewhat warm when left on for 5 minutes straight. But that just means that the LED is powerful.

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Worked great

Obviously I bought this because I wanted to play GLOW disc golf. It’s absolutely great for that. USB rechargeable. Good stuff. Only reason it loses points IMO is because the on/off button placement is stupid and hard to find in the dark, especially when you’re used to it being on the bottom of a flashlight. Other than that; great light! Highly recommend.

Great UV light for the price! Worked well for the UV cure epoxy I bought and nice it is rechargeable!

Doesn’t cure resin well, even when plugged in over night to recharge it still blinks red when I use it indicating to charge it despite just unplugging it