A 50W constant current LED power supply for the large recessed Collingwood LED retail range. Fit up to one RDSL or one SQSL and control either by a 1-10v analogue dimmer or dali addressable. Link up to ten PSDAL900M to one 1-10v dimmer by using a 1m sync cable provided, an extended sync cable of 4m is also available as a seperate product to further extend the distance between each power supply.