... petroleum, chemical industry, highway transportation, inflammable and so on . KL4LM(B) led mining lamp Features(1). LED cold light source, temperature ... >1800Lx .(2). optimized design , Convenience ,safty , Flame retardant and durable.(3). lamp holder circuit board material is aluminium base ,can extend ... currentA0.1258Recharge timeh≤109Life cycle times≥120010weightKg0.5 KL4LM(B) led mining lamp