iJDMTOY (1) 100-240V AC to 12V DC 1000mA 1A Switching Power Supply Adapter for CCTV Camera, Router, Hub, etc 1 piece Input: World Wide Input Voltage 100-240V 50/60Hz, Output: DC 12V 1000mA (also fit for any applications use less than 1000mA such as 500mA) DC plug dimension: 5.5mm x 2.1mm DC plug polarity: Positive inside, negative output, OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) Can charge for Router, mobile hard disk, switch, CCTV camera, HUB and other electrical devices with same output and plug dimension.