Digital ballast. 1000W, 600W, 500W and 400W MH/HPS compatible , 120V/ ... CUL, EMC, ROSH,CE,TUV. Suitable Bulbs250W, 400W, 600W, 1000W HPS/MH bulb of America and Europe standard Electrical ... 97mm) H: 34 in (135mm) Electrical Performance of 600W ModelRatingVoltage(V)InputPower(W)Input Current(A)PowerFactor THDSaftyVoltage( ... 120/2406505.42≥0.98≤10%100~240600 Dimension of 600W: L: 91 in(359mm) W: 24.60 in ...