Input: AC100V-240V 50/60Hz.
Power cord length: 4.6 ft/ 1.4 m.
Output: DC12V~2A Max power 24W;
DC plug size: 5.5 mm x 2.5 mm. Compatible with 5.5 x 2.1 mm
Tip Polarity: inner positive+/outer negative -. Multiple Protections with smart chip to ensure the safety and stability: automatically overload cut-off over voltage cut-off over temperature cut-off short-circuit cut-off.. Please check the DC socket type power consumption (must not exceed the Max output of the adapter) polarity of the device before ordering or it may cause problem or damage the device. DC 12V 2A Power Supply is widely applied to CCTV Cameras LED strip light BT speakers GPS webcam USB-HUB wireless router TV Box wireless IP Camera home phone system recorder scanner DVR hard disk box WS2811 LED pixel light DIY projects and more 12V household electronics less thanless than 24W.