Tunnel Light It is widely suitable for he inflammable and explosive places in the coal mine and the long distance lighting of various tunnels High quality switching power supply is built-in, with wide working voltage, LED cold light source. The average service life is up to 100000 hours, with continuous use and no replacement Adopting integrated design, the shell is made of high pressure die casting aluminum, with electrostatic powder spraying on the surface, high temperature resistant silicone rubber seal and toughened transparent glass Hot Sale Various High Quality Tunnel Light from China leading manufacturer. Our Miner's Lamp and Mining Lighting Lamp are efficient , cost effective and deliver more benefits. If you are interested in our lamp, please call us . we also supply other Mining Explosion-proof Equipment.