12V 1A Power Adapter Input: 100V-240V 50/60Hz; Output: 1A 12W Max @ 12V DC; Works well with 12V devices that draws less than 1A(1000mA) 12W, such as 200mA 400mA 500mA 800mA 1000mA. If you use it to power device more than 1A 12W,it will not work. NEVER OVERLOAD! 10pcs Frequently Used Tips Comes with an original 5.5x2.5mm tip and 10pcs frequently used tips: 5.5x2.1mm, 5.5x3.0mm+Pin, 5.5x1.7mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5mmx0.7mm, 6.3x3.0mm, terminal connector. Polarity is internal "+", outside"-". This 11-in-1 12V 1A universal power adapter kit greatly expands its application scope. Safety Features We designed this 12V power adapter with safety in mind. Built in multiple protection system: automatic over-current cut-off, over-voltage cut-off, over-temperature cut-off, short circuit cut-off. No noise, no fire hazard. Protect you and your device very well. Wide Application This 12V power supply is widely applied to CCTV Cameras, LED st