DX  » Community » Reviews » UltraFire WF-501B 3W UV 395~400nm LED Flashlight with Clip (1*18650/2*CR123A)
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  • 5 Star:4811 (48%)
  • 4 Star:4310 (43%)
  • 3 Star:92 (9%)
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    • Overall Rating: 5
    • Price: 4
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    great for scorpions

    posted by Grunsven on 07/25/2013 Certified Owner

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

    Pros:
    I've tried this UV-light to look for scorpions in France. It works great. The output is enough to easily scan a wall. The scorpions light up brightly. It seems to be quite sturdy and well made. Although that is just feel and looks, haven't opened the swit...
    Cons:
    The contact between the drop-in and the host is not great. Best to wrap the module in aluminum foil or something to improve this.
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Great tool for what it does

    posted by mdspann on 05/04/2013 Certified Owner

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

    Pros:
    I ordered this light to confirm where the cats have been making their messes outside of the litter box. It really does a great job of showing up the cat urine spots on the carpet. The first person I showed it to was so impressed that I just order another ...
    Cons:
    The p60 host feels cheap.
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Good Ultra Violet flashlight

    posted by Rik0331 on 02/23/2013 Certified Owner

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

    Pros:
    The Ultrafire Ultra Violet LED flashlight is sold for a low price. You can choose two types of batteries. The flafhlight is mad of goor quality materials.
    Cons:
    I bought this Ultra Violet light for detecting false banknotes and other documents. It's only possible to see if the documents ...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Perfekt!

    posted by MZwa on 11/16/2012 Certified Owner

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

    Pros:
    One point to buy this Flashlight was that it is small and has a bright light. The Quality is good and it's easy to use. Just drop the button on the end of the flashlight and it works. And also the price was an argument to buy it.
    Cons:
    Nothing of interest. Only you have to be careful when you place it per example on a table. It might get going and fall down.
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 4
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Very nice UV light

    posted by awoodby on 08/06/2012 Certified Owner

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

    Pros:
    Very bright UV Solidly built light No unneeded modes
    Cons:
    none
    View Detail » 
    • Overall Rating: 3
    • Price: 3
    • Quality: 5
    • Ease Of Use: 2
    • Usefulness: 3
    2 DXPoints
    earned for this post
    Compact and somewhat useful but not complete

    posted by LumenEater on 06/29/2011 Certified Owner

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

    Pros:
    Very compact unit with bright light. Very solid construction with nice clicky button.
    Cons:
    Does not work in regards to finding bodily fluids, stains and other biological matter UNLESS you wear yellow tinted glasses. Th...
    View Detail » 
    • Overall Rating: 3
    • Price: 4
    • Quality: 1
    • Ease Of Use: 5
    • Usefulness: 3
    2 DXPoints
    earned for this post
    Buildquality: Ultrafire....

    posted by Tungil on 01/06/2011 Certified Owner

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

    Pros:
    Does what it's supposed to do. Cannot compare with other UV-lights, it's my first. Good for Geocaching. Really Cheap
    Cons:
    Buildquality just is awfull! My switch broke down, so it won't work anymore only if I open it and connect the contacs manually...
    View Detail » 
    • Overall Rating: 5
    • Price: 4
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Good for pee

    posted by TC0Rider on 12/21/2010 Certified Owner

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

    Pros:
    Took the protected 18650 battery with no problems and worked the first time I turned it on. Finds pee like on CSI!
    Cons:
    Feels a tad light and build quality seemed a bit off when screwing it back together after inserting batteries.
    View Detail » 
    • Overall Rating: 4
    • Price: 4
    • Quality: 3
    • Ease Of Use: 4
    • Usefulness: 3
    2 DXPoints
    earned for this post
    Good UV

    posted by mameluco on 12/11/2010 Certified Owner

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

    Pros:
    1. Its single mode. 2. Has aluminum orange peel reflector. 3. Glass lens. 4. Orings in the correct places.
    Cons:
    1. It could be stronger: i expected it would produce more light. 2. Not well built as others WF-501B here. 3. Arrived dirty a...
    View Detail » 
    • Overall Rating: 5
    • Price: 4
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    PEE FINDER AND MORE!!!!

    posted by haiyter on 06/01/2010 Certified Owner

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

    Pros:
    * GREAT uv light by dx. This thing did reflect certain "stains". Tried to find pee stains from my dog in the carpet but didnt know where until I got this from DX. Found the pee and im sure it would be able to detect other stains (not only bodily ...
    Cons:
    Pricing is a bit steep but still I think this gadget is worth it. Great to take it to those motel or hotels and check to see if...
    View Detail » 
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