... ,Size:10*4.3*3cm External LED power supplySpecifications 350mA Constant Current 3W/5W/9W/12W/15W/18W/20W LED driver1,Input voltage 100-240V ... 50/60HZ2,Certification SAA3,Application LED ceiling lamp/LED down lamp4,No waterproof ... , Max. 500mA, Max. 20WOutput: 59-64V , Max. 350mA SAA approved LED driver 350mA Constant Current 12W/15W/18W/20W