DX  » Community » Reviews » UltraFire WF-501B 3W UV 395~400nm LED Flashlight with Clip (1*18650/2*CR123A)
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  • Overall Rating: 5
  • Price: 4
  • Quality: 4
  • Ease Of Use: 5
  • Usefulness: 5
great for scorpions – UltraFire WF-501B 3W UV 395~400nm LED Flashlight with Clip (1*18650/2*CR123A) Reviews

posted by Grunsven on 07/25/2013 Certified Owner

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

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 switch or anything.
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.
It is not 3 watt. I measured 1.3 watt with a fresh 18650. But you do not want a 3 watt anyway (battery life and heat)
If you want a flashlight to look for scorpions on holiday (or at home), this one will do fine.


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