KL5LM LED light li-ion battery miner's lamp. Advantage# 1-No reflector, Just perfect optical design of optics-collimator LENS, perfect moon lighting effect. Advantage# 2-Copper heatsink is to guarantee 1W LED lifetime more than 50, 000hours. Advantage# 3-Successful safety certificate by our distributor partners and purchase from Europe, Romania, Germany, Peru, Chile, India and S. Africa, Saudi Arabia, Vietnam and China. . . . Advantage# 4-Applications for coal mining, maintaince worker of oil and railway, airlines, waiter for club, diving lamp. . . . The miner's lamp is made from the high bright, big power white light LED and high efficient li-ion battery etc, the miner's lamp is high performace, KL5LM safety lamp is special coal miner cap lamp and specially designed for the coal miners work in very bad environment. Features: 1) safety: In sealed design of the whole product, short-circuit protection, LED light head lamp and anti-static housing make the product has very good function of explosion-proof. The miner's lamp is reasonable tool for the coal miners. . 2) portability: Small in size, light in weight, portable to carry, free of maintenance, simple charging, easy usage. The miner's lamp has received many praises from the miners. 3) efficiency: Bright as 1500-2000lux from the work begin to the end, working hours 15hours, usage life 1000 cycles (in reasonable working condition) . 4) environmental: The miner's lamp is made from environmental li-ion battery and other environmental materials. So the miner's lamp is an very good green product. LED miner's lamp major technical specifications: 1) rated capability 5Ah (lithium-ion battery) 2) rated voltage 3. 6v 3) continuous discharging time 15h 4) main light LED working voltage 3. 2v 5) main light LED working current 0. 35a 6) main light power 1W 7) main light luminous flux 40-60lum 8) lamp lighting degree initial lighting degree 2500-3000lux (distance in 1m) Lamp lighting degree lighting degree at work 2000lux (distance in 1 m) 9) main light usage life hour 30000h 10) accessory light power 0. 4w 11) accessory light usage life hour 100000h 12) short circuit protect time 15ms 13) usage duration of battery (recharges) 1200 14) recharges (in rea