Input Voltage : AC110-240V 50-60Hz. Connector Size: 5.5mm/2.1mm. DC line length: 1.5meter. Certficate: CE, BS 60950-1, RoHS, WEEE. Efficiency Level: ErP. Application 1 CCTV SECURITY SYSTEM: CAMERA, DVR, NVR, IPC 2, LED STRIPS 3, WIRELESS ROUTER, ADSL CATS, HUB SWITCHS 4, Audio/Video power supply 5, other applications.