【Power Specs】 Input: AC 100V-240V 50/60Hz; Output: DC 12V, 1A 12W max; DC plug size is 5.5mm x 2.5mm. Compatible with 5.5mmx2.1mm. Polarity is inside positive "+", outside negative"-". | 【Universal Adapter】 Works well with most of devices that draws less than 1A@12V, such as 300mA 500mA 650mA 800mA 1A. We recommend to use less than 80% of the full load. DO NOT OVERLOAD! | 【Safety Features】 Certified by FCC, CE, RoHS, CCC. Built in automatic over-voltage protection, over-current protection, over-temperature protection, short circuit protection. Fire retardant shell. Safe to use. | 【User-friendly Design】 We especially give away a female DC connector, so you can screw wires onto it easily to meet more application scenarios. Integrated design of power supply and plug makes it more compact and light. | 【Wide Application】 Widely used to drive Wifi IP Home Camera, DVR NVR CCTV Security Camera System, Wireless Router, 2835 5050 WS2811 12V LED strip light, water purifier, DC motor and other 12V devices less than 12W.