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🔦 Illuminate the unseen, own the night—because your EDC deserves to be legendary.
The DARKBEAM UV Flashlight is a compact, rechargeable EDC tool featuring dual 365nm and 395nm UV LEDs, plus white and red sidelights. Designed for professionals and enthusiasts alike, it excels in currency verification, pet urine detection, resin curing, and outdoor adventures. With a magnetic base, waterproof design, and up to 12 hours runtime via USB-C charging, it’s engineered for reliability and versatility in any setting.







| ASIN | B0CNRDF1RL |
| Additional Features | For camping, dog walking, car maintenance, EDC, Gem and Mineral Identification, Pet Dog Urine Detection, Powerful, super bright but Mini, Woods lamp for Cat Ringworm/ Pee Detector |
| Battery Life | 9 hours |
| Battery Type | Lithium Ion |
| Best Sellers Rank | #38,990 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #516 in Handheld Flashlights |
| Brand Name | DARKBEAM |
| Color | B203 UV365+395(bluish+violet)+ White/Red/Emergency Light |
| Customer Reviews | 4.2 out of 5 stars 955 Reviews |
| Finish Types | Resin |
| Included Components | Battery, Usb Cable |
| Item Dimensions D x W x H | 1.1"D x 0.5"W x 3.9"H |
| Item Highlight | Powerful Black Light Flashlight LED Rechargeable, Magnetic Ultraviolet Light COB Red Light-Urine Scorpion Detector Cure Resin |
| Item Type Name | EDC Flashlights |
| Item Weight | 51 g |
| Light Path Distance | 30 feet |
| Light Source Special Features | Pet Urine Detection, Mineral Identification, Currency Authentication |
| Light Source Type | UV |
| Manufacturer | DARKBEAM |
| Manufacturer Part Number | B203 |
| Manufacturer Warranty Description | 【180-day-warranty! 】any question about the edc flashlights will be solved if you contact us(seller) on amz. Darkbeam offers excellent customer support and will be responsible for your dissatisfaction (include free replacement/refund). |
| Material | Abs |
| Material Type | Abs |
| Model Number | B203 |
| Mounting Type | Magnetic |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Number of Items | 1 |
| Number of Light Sources | 4 |
| Number of Packs | 1 |
| Power Source | Battery Powered |
| Recommended Uses For Product | Camping, emergency use, night action, cat ringworm detection, pet urine detection, maintenance, currency identification, mineral identification, finding hidden cracks, car maintenance, and creating a fun scavenger hunt or leaving secret messages |
| Runtime | 8 hours |
| Set Name | Single |
| Shape | Compact |
| Size | UV Flashlight-B203 |
| Special Feature | For camping, dog walking, car maintenance, EDC, Gem and Mineral Identification, Pet Dog Urine Detection, Powerful, super bright but Mini, Woods lamp for Cat Ringworm/ Pee Detector Special Feature For camping, dog walking, car maintenance, EDC, Gem and Mineral Identification, Pet Dog Urine Detection, Powerful, super bright but Mini, Woods lamp for Cat Ringworm/ Pee Detector See more |
| Style Name | UV 365+395(bluish+violet)+White+Red-1 Pack |
| Unit Count | 1 Count |
| Water Resistance Level | Waterproof |
| Wattage | 5 watts |
| White Brightness | 1000 lumens |
M**E
Requires a low-wattage charger; fast chargers will not work.
This flashlight needs to be charged with a low-power USB charger. It would not charge properly with my 30W fast charger, but it charges normally from a basic 5V/2.4A (12W) USB power source. The white light isn't very bright and isn't something I'd recommend for outdoor illumination. It's much better suited to finding something inside a black backpack or fetching something from the living room in the middle of the night. To put its brightness into perspective, my bedside lamp is brighter. Where this flashlight really shines is in its specialty modes. The red light is perfect for those middle-of-the-night bathroom trips when I don't want to blind myself with the bright bathroom lights and ruin my night vision. The flashing red light is also excellent for making yourself visible. I've found it useful for getting a bus driver's attention at a dark bus stop and making myself more visible to motorists while crossing the street. The 365 nm UV light is perfect for checking the security features on large bills. Instead of waiting for a cashier to find a manager to authenticate a bill, I can show the cashier the security features myself. It also has a 395 nm UV light. One thing to be aware of with both UV lights is that the flashlight grows increasingly warm the longer they're left on. And if you are a germaphobe, I implore you to restrain your curiosity and not use that 395 nm UV light in the bathroom; your skin will crawl with disgust. My godfather is a major germaphobe and cleans the bathroom every other day. If I showed him his pride and joy under that UV light, he would probably have a heart attack. To be fair, fluorescence under 395 nm UV doesn't necessarily mean something is dirty. Cleaning products and other harmless residues can fluoresce too. So what looks like a filthy bathroom under UV may actually include residue left behind from a very thorough cleaning.
O**A
It's a good light! Buy it!
While not a visually attractive device, it does work quite well. The 395nm LED is nice and bright for its size and makes glowy things glow nicely. The 365nm is obviously not as visually bright, but is clearly lower output as it doesn't make things fluoresce as strongly, which is contrary to my typical experience that 365nm is more effective than 395nm. I did buy it more for the 395nm though as I only had 365 to go hunting for glowy glass and that makes manganese glow. The 365 is definitely good enough for a backup in any event. The white side light is nice and bright, and the red side light is as well and works well to creep on my nocturnal tarantulas when they're out. The flashy red light probably won't see any practical use. Battery life is very, very good. I did try using it as a power bank to charge my phone and it said it was charging but the percentage didn't change in the hour it was plugged in while the battery indicator on the light did go down. I wan't using the phone while trying to charge. The magnet isn't super strong so it'll drop off if you bump it, but it's strong enough to hold it in place otherwise. I've been carrying it most of the time since I got it. It's a good light. For the price especially, I would recommend it.
J**I
It's good
Works well, it's smaller than I expected but a lot if fun.
J**K
Great Uv light, magnet is week.
This little guy actually impressed me. The quality is very good and the button locations make the light easy to use. One thing it needs the magnet to be a bit stronger. Tends to fall at the the slightest bump, over all I would buy this UV flashlight again for sure
8**D
This is a generic unbranded light that should only cost $9.99 at most.
Darkbeam is a made-up brand name and is not present anywhere on the flashlight. The description is misleading and incorrect. I disassembled the entire thing and found that this is a very cheaply made, unbranded generic flashlight that has a very thin metal casing(pressed sheetmetal) over a plastic skeleton with two tiny, high-flux 3mm Piranha style UV LED's firing through a plastic frosted/orange peel lens. It is not waterproof in any way, there are no seals anywhere. The charging port cover is just a cover and isn't waterproof either. Claiming this thing also functions as a power bank is laughable unless you wish to charge a device with very, very little current draw. The magnet on the end is permanently installed and is much weaker than the description says, it will BARELY hold the light up. I glued a 12x3mm ND disc magnet to the bottom as an upgrade. The light output is appropriate for such tiny LED's, but pitiful compared to, say, a single 18" UV fluorescent tube. I am not impressed at all. The side light with red/white color is NOT a COB, it is individual 5050(or similar) LED's, and the red "strobe" feature looks like it was meant for a bicycle light. The battery is a 3.7vDC 1000mAh Li-Ion flat batt. Wiring inside is low quality and subject to vibration damage leading to a nonworking light. Control buttons are nonintuitive, poorly labeled and poorly engineered. The UV leds and their PCB only have a minimal press-fit to the metal casing for heat sinking, and initially, the whole thing became hot within a short time when in use. After disassembling/reassembling, the heat issue seems to have been fixed. Would not buy again, I overpaid and regret it.
D**B
Excellent portable light for UV.
I love this thing. Much smaller than expected. Buttons not labeled , but you can easily figure out which one it lights. Recharges quickly. Long life. I can easily get what I want done with the operating time. Very bright for it's size. Smooth case can slip in my pocket without snagging. Recharge cord included. Battery does not seem to run down when not in use.
O**Y
Very Disappointed In Darkbeams Misrepresentation of UV B 365 NM Sources
I'd send back both Darkbeam flashlights, but I don't want to be flagged by Amazon as a frequent returner. The two lights I have purchased from Darkbeam have been of reasonable quality construction with features I like. What I was hoping to obtain from this light source, was two distinct UV sources, one UV A and one UV B. The ability to have both in one source would be extremely handy. Some substances only fluoresce under UV B, but not A, so it is important to have sources specific to each. UV A is very close to violet in the visible spectrum. That is why UV A lights always have some visible light. A UV B light source should not produce any, or an extremely small amount of visible light, relative to the UV B output. Please look at the photo. The light sources are set back from the edge of the paper. The room is dark. The paper fluoresces showing all sources are producing adequate amounts of UV. The Dark Beam dual UV A and B is shown on the left. Both beams are on, and both beams are visible to the eye. Their advertised UV B is also UV A and visible light. Total misrepresentation of the product. The UV B beam should be fluorescing the paper in front of it but should have zero visible light at the emitter. The second flashlight from the left is another Dark Beam product. It is well-built, it has features I like, it too is advertised as UV B. It has plenty of visible light. It is another mis-represented product. The third light source is a DarkDawn, advertised as a 365 NM UV B light source. Note that it has very little visible light. Also note how all of these light sources produce plenty of UV A and B, as shown on the paper in the foreground. But key to a true UV B 365 NM light source is the absence of visible light. Note: This light cost $10. Quality UV B does not have to cost a lot. The source on the far right is a very high powered UV B 365 NM source. Note the extremely low visible light. In fact, the little bit you can see in the photograph is from the camera. It is partially sensitive to light just a little shorter in wavelength as violet. The naked eye can detect zero visible light from this light source. It is a UV Beast V3 and it was $80. The Darkbeam flashlights are decent quality. They have features I like, and they work well. But the company is not being honest in their representation of their sources being UV B. Yeah, they put out UV B B, and A, and too much visible light. Seriously, do not consider Dark Beams UV B light sources if you do not want visible light. The Dark Dawn is a fantastic low-cost alternative. If you need to make repeatable lab grade measurements over time with constant levels of illumination, the UvBeast is your best choice.
A**R
Super Impressed!
This Flashlight is the BOMB! I am a collector of gemstones and mineral specimens and I absolutely love the fact that this flashlight offers a 365 AND a 395 UV option. Blacklight flashlights very often tend to only offer one or the other, so the fact that this one offers both UV options, as well as a white LED and Red light LED is wonderful. It seems to hold a charge for a decent amount of time when operating any function, and the fact that I'm able to use BOTH UVs AND the White LED at the same time has actually been super handy. Yes I'm pretty sure you could get a more expensive UV flashlight with a White LED, that may be brighter, but having the option when choosing your LED was way more important to me than distance brightness, and for the price this can't be beat! I absolutely appreciate the fact that this has charge level LED indicators on the front for determining how much longer I have before I need to charge it, and a magnet on the end for when I need light but also need both of my hands available. The White light isn't exactly the brightest, but when you need to be able to see what you're doing while your room is dark when using the UV light, It provides more than enough light, although I probably wouldn't recommend for use outdoors in the dark unless you have a backup spotlight. But again, for the price of this device you really can't find the same functionality so I'm not complaining one bit.
D**R
Retour.
Ne fonctionne pas , retour.
Q**Q
PERFECT for the job!
Exactly as ordered
S**.
Reliable, light weighte and versatile gadget
I use it almost daily since last few months.
S**.
Good money checker
This is my go-to pseudo emergency flashlight, counterfeit checker, and dust finder all in one. I’ve been using it almost daily, and it works great. The dim red light is a nice bonus when you need a bit of light without it being too bright. The UV lights do make the device a little warm after a while, but so far, I haven’t had any problems.
V**A
Uv mini lamp
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