1.led methane alarm miner's lamp 2.Li-ion battery,explosion proof 3.illumination:3000-12000LX Newest!!!KLW5LM gas explosion proof gas alarm ... a new type of environmental-friendly lamp, which is adopted the most advanced 1w LED made by Lumileds Lighting Company and ... , Anti-static, waterproof, and moisture-proof, the miner's safety is highly improved. c) The mine’s lamp is maintenance-free, no need ...