- *Bulky item, excluded from free shipping. 680 watt 2.9 µmol/J 1972 PPF Dimmable Controllable High Efficiency High Quality Diodes and Driver By utilising the Driver Extension Cable Set, it is possible to relocate the driver (metal box usually attached to the centre of the frame) away from the frame and position it up to 3 meters from the fixture. Driver Extension Cable Set ULight Light Controller ULight
