hid gear box for plant growth light 250W,400W,600W,1000W 110V~240V compatible HPS&MH convertable CE,TUV Our HID gear box can ... run HPS and MH bulbs both automatically under 110V~240V. 400V They ... box.Power range:1000W, 600W, 400W, 250WVoltage: 110V~240V, 400VBulb: HPS&MH convertableCE,TUV approvedNo fans insideDimming function is option.Soft ...