1. General KL2.5LM (A) type miner's lamp is designed according to GB7957-2003 standard in a coal mine with portable lighting. Be filled by a dual LED light source lamp, cable, and the composition of nickel-metal hydride batteries. Applies to underground coal mine. 2. Technical Specifications Miner's lamp with cold light illumination. The main light source for high-power light emitting diode (LED), high brightness light-emitting long time. Auxiliary source of power is not less than 0.4W. Lighting circuits using constant current power supply, miner's lamp illumination is more uniform from start to finish. Rated working voltage: DC3.6V; Rated working current: the main light source 120mA; Gu Guangyuan 120mA; Continuous working time: not less than 11h; Center illumination: lighting began ≥ 900lx; lamps 11h ≥ 350lx (light source 1m away from the office); Battery Life: ≥ 500 times. Explosion-proof type: explosion-proof special type. Explosion-proof mark: ExsI. 3. size and weight a) volume (battery box): 94 × 88 × 38; b) Full Light Weight: 0.6kg.