... the information of our products.1.Specifications of 600W electronic ballast Main Input Voltage120V/208V/220V/230V/240V(208V/ ... Temp.-25°C~+55°CDimmable Function50%-75%-100%-110%/Super LumensSaving Energy40%~50%Designed life for ballast6 YearsFactory ... contact us.Best RegardsDavid SongSales ManagerQidong Sunkan Electronic Co.,LTD. 400V 600W electronic ballast for hydroponics/greenhouses,UL,CE,TUV,DIN ...