Ex mark:Exeib II CT6

Protectin grade:IP65

Explosion proof grade:WF2

BCS-3: 3V, lamp bulb 2.4/0.25V/A, Battery specification 1#, battery number 2

BCS-4.5: 4.5V, lamp bulb 3.6/0.3V/A,battery specification 1#, battery number 3

BCS-6: 6V, lamp bulb 5.4/0.5 V/A, battery specification 1#, battery number 4