... 110V~240V compatible HPS&MH convertable CE,TUV Our HID gear box can run HPS and MH bulbs both automatically under ... and hobby gardening industries,etc. The features of the HID Gear box.Power range:1000W, 600W, 400W, 250WVoltage: 110V~240V, ... convertableCE,TUV approvedNo fans insideDimming function is option.Soft starting Constant output of power when voltage fluctuate with no flickering. Range ...