Oil heater 1,220-240V,50Hz 2,5-15fins, fin size: 150* ... 4,With indicator lights 2012 Newest Model: Glass front panel oil heater NW-A6 Product Feature:-1. 220-240V,50Hz 2. Series ... '/40'/40'HQ: 570/1185/1360pcs (9Fins) Glass front panel oil heater NW-A6