AC Input: 100~240V 50/60Hz , DC Output: 12V 3A. (0~3000mA all compatible) Max power: 36W. Polarity: inner positive+/outer negative- (must be the same as your device). Wide Application: Max power output 36W, support 0~36W devices.12V Video security camera (Wireless, Analog, AHD, IP, TVI, CVI), DVR / NVR Video Recorder,LCD monitor, Infrared night vision lamp, GPS, webcam, router and more 12V electronics, provide a safe and stable power supply for your needs. Stable Voltage Output: Provides unwavering stable voltage output throughout use, shielding your sensitive electronics from damaging power variations during startup, operation, and power-off. Reliable After-sales Guarantee: All of our products undergo rigorous testing before shipment. If you encounter any malfunctions when receiving the goods, our professional team is dedicated to providing you with friendly and efficient customer service. Automatic Thermal Cut-off / Short Circuit Protection / Automatic Overload Cut-off / Over Voltage Cut-off / Over Temperature Protection