Collingwood LED Driver for 350mA Collingwood LED products. Fit up to 18 1W or 6 3W 350mA LED products, which is also compatible with Collingwood’s range of recessed LED retail lights. Fit up to two RDSS or SQSS products. The PSDIM350 can be controlled by a 1-10V analogue dimmer if you wish to dim. Link up to ten PSDIM350 to one 1-10v dimmer by using a 1m sync cable provided. An extended sync cable of 4m is also available as a separate product to further extend the distance between each power supply.