Adapter Power Supply Transformer EU US 12V 1A 2A 3A White Body - AliExpress
Amazon.com: AC/DC Adapter - DC 12V 1A Power Supply 1000mA, 100~240V AC to DC 12 Volt 1 Amp 0.6A Converter with 5.5 x 2.5mm 2.1mm Plug for Security Camera DVR NVR Surveillance