12v 1000 mA DC Power Adapter Supply 1000 ma Regulated 1 Amper CCTV Camera Power Supply Dc 12v 2.1mm 5.5mm 100-240V AC Wall Adapter 1Amp. Input Voltage: 100-240V AC - Output: 12V 1 A ( 1000mA ) AC to DC Power Supply Upgraded listing from 12V DC 0.5A ( 500mA ) to 12V 1 A ( 1000mA ) 5.5 x 2.1 mm plug center positive High quality switching 'wall wart' AC to DC 12V 1A wall power supply You can use it for 12V DC 0.5A ( 500mA ) and 12V DC 0.8A ( 800mA )