[Product Specifications] Input: AC100V-240V 50/60Hz. Output: DC12V~3A(0~3000mA all compatible) Max power: 36W DC plug size: 5.5mm x 2.1mm(with 11 interchangeable plug tips, support many other DC12V devices) Polarity: inner positive+/outer negative- (must be the same as your device). [Compatibility] Max power output 36W, support 0~36W devices, 5.5*2.1mm DC plug With extra 11 changeable plug tips(6.3*3.0mm,/6.0*4.4mm/5.5*3.0mm/5.5*2.5mm/5.5*1.7mm/4.8*1.7mm/4.0*1.7mm/3.5*1.35mm/3.0*1.1mm/2.5*0.7mm/wiring connector) Compatible for various kind of DC12V electronics such as LED strip Lights, display monitor, Wireless Router, ADSL Cats, Yamaha digital piano keyboards,Tablets, Switches, CCTV Security Cameras, Audio/ Video and other devices which are powered by DC12V (3A,2A,1.5A,1A,800mA,500mA,200mA,100mA) power supply. [Safety & Durability] Over voltage/ over current/ short circuit/over loaded/surge protection system loaded, robust design with fireproof shell and superior heat dissipation