Smittybilt L-1409 Universal Flashing Object (U.F.O.) LED Safety Light Standard red LED in emergency flashlight mode Magnetic back can be mounted to vehicle for optimum visibility Compact and visible up to a mile Waterproof/ideal for marine use: Coast Guard-approved SOS Morse Code Durable construction: high-grade military polymer shell that is strong enough to withstand being driven over High-capacity CR123 lithium battery has up to one year of storage life