3 in 1 uv flashlight, white, yellow, uv flashlight
The uv light is of 365nm uv light not 395nm normal uv light, not for bright as white light, not for illumination, but for: identification current,spot scorpions, authenticate currency,driver license,official identification cards,passports,Clear show dried unine&stains or stain on carpet/rugs/clothes
White Lights for illumination indoor or outdoor. Yellow light: Especially for jade/gemstone identification flaw and Defective, and Yellow light is used in traffic lights,car fog lights,night fishing.
With Length Measurement, It good for business , academic research,Antiques,Pocket and Portable is convinient,with reachargeable 18650 battery
