DX  » Community » Reviews » Ultrafire WF-502B 1W UV Flashlight with Clip (3.4V~8V Input)
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  • 5 Star:7021 (70%)
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  • 3 Star:72 (7%)
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100% of customers would recommend this product to a friend.

    • Overall Rating: 5
    • Price: 4
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Pet Stain Finder!

    posted by CityLights on 09/11/2013 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week

    Pros:
    Finds pet stains really well. I also found hidden food stains on the living-room couch where no one is allowed to eat, now the Tenets can't argue they didn't eat there, I have the Ray of Truth! - In my experience, Pet Stains glow a little brighter and more ...
    Cons:
    No suited to be used around persons with cleanliness disorders (OCD) unless you desire to freak them out on how unclean their w...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 3
    2 DXPoints
    earned for this post
    Excellent quality violet torch.

    posted by TreeFiddy on 08/15/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:
    Excellent build quality. It feels very solid. A XR-E Q5 modules drops in easily with good throw and good brightness. Works well on CR123A rechargeable 3V batteries.
    Cons:
    Peak wavelength of torch is 415 nm. The majority of light is in the visible wavelength, which means you probably need a filter ...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Nice UV-Flachlight, low price

    posted by weboje on 06/17/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:more than 1 month

    Pros:
    Nice bright UV Flashlight, low price, waterproof. Easy one-hand use.
    Cons:
    There are no Cons I could notice so far.
    View Detail » 
    • Overall Rating: 5
    • Price: 4
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Amazing how far you can spot UV-colour

    posted by bayerd on 02/14/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:more than 1 month

    Pros:
    I went geocaching with several freinds before and it was quite difficult to find hints written with UV-colour on walls. Yesterday, we went for another cache and I brought my new UV-light. It was amazing to spot these hints from several meters distance. And ...
    Cons:
    Nothing to complain about. Completely satisfied.
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Nice UV flashlight

    posted by MVahlroos on 10/20/2012 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    Very bright, not heating up too bad, much better than any other UV flashlight around(incuding my selfmade 9x5mm UV led flashlight).
    Cons:
    None so far...
    View Detail » 
    • Overall Rating: 4
    • Price: 4
    • Quality: 3
    • Ease Of Use: 5
    • Usefulness: 4
    2 DXPoints
    earned for this post
    A good/average UV light.

    posted by platonas on 10/12/2012 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week

    Pros:
    It is bright, much brighter than my previous UV light I bought from DX about 1,5 years ago with the same SKU. It uses a different LED and produces more blue and UV light. Any item exposed to the light of this torch looks brighter than with my previous one.
    Cons:
    Quality is an issue here. 1. The metal (aluminum) body is not completely machined and 2 of the o-rings cannot fit and leave ...
    View Detail » 
    • Overall Rating: 5
    • Price: 3
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Sh!thot!!

    posted by kochy007 on 07/18/2011 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 day to 1 week

    Pros:
    Track body fluid...found some of the kids sneeze on the wall LoL couldn't see it without the torch. Try licking the wall and having a look, not that I lick walls too often, but this was p!ss funny. Picks up bits of tennis ball all over the back yard and w...
    Cons:
    Not too sure about tacking blood. Cut up a roo the other night and dripped some blood on the ground. The torch didn't really pi...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    good for the price

    posted by armedandinsain on 09/28/2010 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    A great flash light that is good does its job well, I have used this light for everything from checking IDs, hand stamps and money at work to finding the spot where my puppy went on the rug during the night, its also great for recharging glow in the dark it...
    Cons:
    Not really any big complaints about this it does start to get warm after 45 minutes to an hour of use and the finish is startin...
    View Detail » 
    • Overall Rating: 4
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Has its UPS and DOWNS

    posted by Insomnix on 07/05/2010 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    Ok, so you have seen MANY reviews talking about the nanometer of the UV used in this light. This one registered at 393 nanometers. To see TRUE UV something close to 380nm would be needed. But here is the trick. If you buy a cheap pair of those nifty yel...
    Cons:
    Well, I personally don't have any. Light does not get hot to me, nor have I had to mod anything.
    View Detail » 
    • Overall Rating: 3
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 1
    2 DXPoints
    earned for this post
    Well built case, but poor UltraViolet performance

    posted by realbriguy on 05/18/2010 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:less than 1 day

    Pros:
    Fairly well built housing for the price. It's not built as nice as a much more expensive Surefire or Streamlight flashlight, but it's built much nicer than many other discount flashlights I've seen manufactured from China. Button feels solid, cap threads ...
    Cons:
    The UV spectrum of this LED isn't very effective. If you're expecting to get a CSI effect of lighting up bodily fluids (eew) o...
    View Detail » 
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