1.led methane alarm miner's lamp 2.Li-ion battery,explosion proof 3.illumination:3000-12000LX Newest!!!KLW5LM gas explosion proof gas alarm miner caplampThis Gas Proof style dedicate to detect the concentration of gaswhen the concentration is higher than normal operating condition. the light in this box will flash.With this system,it can guarantee the safety of the miners better.The kind of miner ...