Max output 60watt, constant current output and constant voltage output both available Compatible with most of dimming system , such as lutron, siemens, clipsal etc. Drivers are with emc lvd rohs saa certificate Constant current output verstion: no flicker for choice Input voltage:110/240vac Output voltage: (66/50/40)*0.5vdc Output current: 0.9/1.2/1.5ma Size:170*50*31mm Pf>0.95 Suit for led downlight, led panel light and so on Constant voltage output version: Input voltage:110/240vac Output voltage: 12/24/36/48 vdc Output current: 4a/2.5a/1.7a/1.2a Size:170*50*31mm Pf>0.95 Suit for mr16, led strip light, no min loads limitation