The Magtech QM20-U48-1050-XP is a programmable 150 - 1050mA constant current LED driver. It is programmable 10mA at a time which we can do in-house. The Magtech QM20-U48-1050-XP is 20w maximum and has a 20 - 48Vdc output. It is also 4 in 1 dimmable, ELV, Triac, 0-10V and PWM.