led miner safety lamp KL4LM(E) small cubage, longevity, no pollution, free of maintaining, electricity-saving and safe led miner safety lamp KL4LM(E)KL4LM(E) safety Lamp is a new environmental cap lamp, which adopts advanced LED light source and lithium ion battery to design and produces. It has the characteristics of small cubage, longevity, no pollution, free of maintaining, electricity-saving ...