Guard Dog Security Marina 360 Lumen Diver&rsquo;s Waterproof Flashlight with 5 Functions, Rechargeable SUPER-BRIGHT ILLUMINATION: A powerful tactical flashlight (lumens = 360) ideal for everyday and outdoor use. ULTIMATE WATERPROOF FLASHLIGHT: The deep water diving flashlight is made of type III aluminum alloy with double O-rings on all openings. 5-IN-1 QUICK DIAL: Select your mode swiftly and easily - choose from Ultra Bright, High, Low, self defense Strobe and S.O.S settings. RECHARGEABLE BATTERY: Tactical flashlight with a fully rechargeable lithium ion battery comes with battery charging cradle and wrist strap. 100% SATISFACTION: If youre not happy with your Guard Dog Flashlight, just swap it out for another, no questions asked!