... 4>OEM product Electronic charcoal Size:43mm*24mmmaterial:chinacolor:black,golden,creamVoltage :AC power,25V-60VPower source:220about prodtct ... 1 It adopts new high-tech heat conduction technology, low-voltage DCpower supply, overall high-density ceramic structure, ... energy saving, environment friendly, long time and low cost forusing, beautiful shape and convenient transport. Electronic charcoal