... 120V.240,277V,120-240V availiable, 50-60HZInput power:1000W,600W,400W,250W avaliable Dimmalble electronic for ... 110%,100% 70& 50%,4 dimmable phases Output power cord length is 2M.PowerVoltageFrequencyCurrentinput poweroutput powerPower factor Working voltagecrest ... and the high frequency output reduces power loss and improves overall power managementSunshine ballast feature instant start technology- ...