... mil-spec hard-anodized Lamp 20 White LEDs & 21 UV LEDs Size L146xΦ53mm / L5.75xΦ2.09inches ... those on the receiving end(optional) Function1,click to activate flashlight with low, high, or strobe output (optional) ... Flashlight,Crank Torch,Hand-pressing LED Torch,Solar Torch,UV LED Light,Mini LED Light,Carabiner Torch,Headlight,LED ... the Quickest respond..welcome all of you! UV Leak Detector Flashlight