... Mine, petroleum, chemical industry, highway transportation, inflammable and so on . KL4LM(B) led mining lamp Features(1). LED cold light source ... use the Flame retardant products which passed MA certification, have a long time, tensile, anti-aging, anti-corrosive characteristic. No ... voltageV3.7rated currentA0.1258Recharge timeh≤109Life cycle times≥120010weightKg0.5 KL4LM(B) led mining lamp