Streamlight PolyStinger LED Flashlight, Black: * Light source: * C4 LED technology * 50,000 hour lifetime * Lens: * Unbreakable polycarbonate * Scratch-resistant coating * O-ring sealed * Output: * Optimized electronics provide regulated intensity * Deep-dish parabolic reflector * Produces a tight beam * Optimum peripheral illumination to aid in navigation * Battery: * 3 cell, 3.6V nickel-cadmium sub-C battery * Rechargeable up to 1,000 times * On/off: * Multi-function * Easy access * Head mounted * Push-button switch * Designed for extremely brightness * Tested at 1 million actuations * C4 LED technology for extreme brightness * IPX4 rated for water resistant operation * 3m impact resistance tested * Serialized for positive identification * LED charge-continuity indicator on charger base * Compact, snap-in charger mounts in any position * Limited lifetime warranty