waterproof dimmable constant current led power driver1.input:AC220V 2.output:60w,38VDC,600mA 3.transfer efficiency:0.85 waterproof dimmable constant current led power driver ZYP-60W1.input:AC220V±20 ... %,2.output:60w,38VDC,600mA3.transfer efficiency:0.854.non ...