Super Bright Beam, NO more Darkness: This is a powerful flashlight that combines LED bright white light, UV 365nm light and COB white & red light. If you have the needs of camping / emergency use / outdoor adventure / pet urine detection / Pet urine, stains detection, leak detection, UV resin curing, rockhounding; Car maintenance, fishing, etc., this will be a very wise choice. [DO NOT STARE AT UV LIGHT WITHOUT PROTECTION for the sake of your eye health] Upgraded 365nm Invisible Light: The DARKBEAM UV 365nm Ultraviolet light is the real dedicated detection spectrum and invisible to the human's eyes, so that it is not as BRIGHT as the 395nm light, but better for detection of high demand like fluorescent agents & security code. It can be used in natural light and performs better in the dark with little visible light leak. Any ask for assistance will be responsed within 24hrs if you contact the Seller via email at AMZ (from your order)