[Specifications] Input: AC100V-240V 50/60Hz. Output: DC12V~2A (1.5A,1A,800mA, 500mA,400mA,200mA,100mA all compatible, can adjust output current depends on your devices input) Max power: 24W (20W/18W/15W/10W/8W/5W all compatible) DC plug size: 5.5mm x 2.1mm Polarity: inner positive+/outer negative- (same as most DC12V devices). [Safety & Durability] Over voltage/ over current/ short circuit/over loaded/surge protection system loaded, robust design with fireproof shell and superior heat dissipation board, without fan noise, CE/FCC/DoE VI certified safety insurance and energy efficient. [Compatibility] Except for the common 5.5 x 2.1mm DC plug, this power supply also be customized with other plug tips, support almost all small DC12V devices such as LED Strip Lights, WIFI Router, ADSL Cats, Bluetooth speaker, GPS, webcam, digital piano keyboards, Switches, CCTV Security Cameras and other devices which are powered by DC12V (2A,1.5A,1A,800mA,500mA,400mA,200mA,100mA) power supply.