... Mining Safety Caplamp KL4.5LMAdvantagessame model with miner lamps in Chile Miner Rescuedigital device show lamp #, time & energy balance, remind miners charge in ... working time more than 4500 lux for lighting degree, battery usage lifetime 1000 cycles, display cap lamp number,time, battery capacity by digital ... , which makes the product more compatible in price. kl4.5lm miner working cap lamp