Glo-Toob Waterproof Emergency Dive Light Waterproof to 200 feet (60 meters) 3 Light Modes, 100% Power, 25% Power, Flash Removable Lanyard with Quick Release Clip Uses One AAA Battery with a life of 4-15 Hours Depending on Light Mode Perfect for Camping, Road Side Emergencies, Action Sports, or any Extreme Outdoor Situation