This is a very powerful pocket light that outputs 180 lumens. With 3 light modes (high, low, and strobe), and 3x adjustable zoom, whatever the situation, The Inspector will provide the perfect amount of light. It's waterproof, impact-resistant, and has a removable steel belt/pocket clip. Its rear-positioned ON/OFF button and a Soft-Touch technology make it easier to use when operating in the dark. Made of anodized aircraft-grade aluminum. Measures 5.75" in length, 6" extended, .47" diameter.