Micro-Computered Omnipotent Monitor for solar water heater 1.CE,ISO9001,CCC, 2.USD 15.00-23.00 per set FOB Shanghai Micro-Computered Omnipotent Monitor for solar water heater1.CE,ISO9001,CCC, 2.USD 15.00-23.00 per set FOB Shanghai3.power:220V/50Hz.;110V/50Hz Micro-Computered Omnipotent Monitor for solar water heater