Features 4 constant on/off functions: high power, low power, strobe and signal mode. Signal visibility up to 1 mile, two-piece easy open, snap shut polycarbonate body, stainless steel universal clip and a lifetime LED bulb. Features * High Power, Low Power, Strobe and Signal Mode * Lifetime LED bulb * Light projection up to 50 feet * Operation from -20 degrees to + 40 degrees * Endurance-minded lithium coin cell batteries * Easy open/snap shut construction for effortless battery replacement * A durable, stainless-steel universal clip that attaches securely and releases quickly * Limited lifetime warranty U.S.A.