Machined Aircraft Aluminum with anodized finish. C4 LED technology, impervious to shock with a 50,000 hour lifetime. Compact, snap-in charger mounts in any position. IPX4 rated design; water resistant operation. Serialized for positive identification Ultra compact, super bright, machined aluminum rechargeable flashlight featuring a new technology C4 LED. The C4 LED is impervious to shock and never needs to be replaced. It has 3 modes of lighting: high, medium, low plus a strobe function. It produces up to 160 lumen's (High), up to 80 lumen's (Medium) and up to 40 lumen's (Low). Run times of up to 2 hours (High), up to 4 hours (Medium), up to 7.5 hours (Low) and up to 5.5 hours (Strobe). Constructed of water resistant machined aluminum with grooved barrel and serrated tail cap switch. Clamp style charger/holder has a digital control circuit that prevents over charge. Fully recharges in just 2.5 hours. Includes light, both AC and DC charge cords and 1 charger/holder.