... for plant growth light 250W,400W,600W,1000W 110V~240V compatible HPS&MH convertable CE,TUV Our HID gear box can run HPS and ... . 400V They have been widely used in hydroponics, horticulture, greenhouse and hobby gardening industries,etc. The features of the HID Gear ... V· Single voltage 400V. Approval CE, TUV, Customized integrated grow light soluaitons are available