Stinger DS LED HP 120V AC/12V DC C4 LED technology for extreme brightness. . IPX4 Rated for water operation. . 3 meter impact resistance tested. . Serialized for positive identification. . LED Charge-continuity indicator on charger base. . Compact, snap-in charger mounts in any position. . Battery: 3-cell, 3.6 Volt Nickel-cadmium sub-C battery is rechargeable up to 1000 times. . Run Time: High: 2.00 hours to the 10% output level. Medium: 3.75 hours to the 10% output level. . Low: 7.25 hours to the 10% output level. Strobe: 5.50 hours. . On/Off: Multi-function, easy access head mounted push-button switch designed for extremely long life; tested at 1 million actuations. Stinger DS LED HP features a second multi-function push-button tactical tailswitch where both switches offer full feature control independent of each other.. Case material: 6000 series machined aircraft aluminum with non-slip rubberized comfort grip 75882