White LED impervious to shock with a 50,000 hour lifetime; Deep-dish parabolic reflector produces a tight beam with optimum peripheral illumination to aid in navigation; optimized electronics provide regulated intensity; Ultra-bright blue taillight LEDs make certain you can be seen even in thick smoke; Eight (8) programmable switch functions; Reinforced D-Rings; Easy-to-operate toggle switch; IPX7-rated design; waterproof to 1 meter for 30 minutes; plus, it floats!; Quick-release strap works like a seatbelt buckle for fast and easy release/connection of shoulder straps; Assembled in the USA