Universal ac/dc power adapter output 3V 4.5V 6V 7.5V 9V 12V 500mA 2 sony plug
AC - AC 24V AC Adapter 0.5A 500mA, 5.5 x 2.1 mm, Transformer, Charger, Variable Voltage
Amazon.com: COOLM AC to DC 12V 500mA Power Supply Adapter 100-240V 50 60hz to 12V 0.5A Charger 6W 5.5mm x 2.5mm DC Plug for CCTV Security Camera Router : Electronics
12V 500mA DC Power Supply AC Adapter with 2.1 x 5.5 mm Center Negative (-) Plug