Amazon.com: ALITOVE 12V 1A Power Supply Adapter 100~240V AC to DC 12 Volt 12W 1000mA 600mA 500mA Converter with 5.5 x 2.5mm 2.1mm Tip for Wireless Router CCTV Camera DVR NVR Surveillance
Amazon.com: Guy-Tech US DC 12V 600mA Switching Power Supply Adapter 100-240 AC 5.5x2.1mm Plug : Electronics