... 75%-100%-110%/Super LumensSaving Energy40%~50%Designed life for ballast6 YearsFactory Warranty2 YearsProtectionHot Start Protection, Short Circuit ... life time.347V 1000w electronic ballasts offered by requests.For more products information, please feel free to contact ... ManagerQidong Sunkan Electronic Co.,LTD. 347V 1000W HPS electronic ballast for hydroponics/greenhouses,UL,CE,TUV,DIN approved