Focuseparts&reg; 12V 1A AC 100-240V 5.5x2.1mm DC Output Jack Switching Power Supply Converter Adapter for Led Light Strips Suitable for Led Strip/Router/ Cats/ HUB/,Switches/ Surveillance Camera Input: 100-240V/ AC 50/60 HZ Output: 12V 1A Jack Dimensions: Inner 2.5mm diameter, outer is 5.5 m- Jack Dimensions: Inner 2.5mm diameter, outer is 5.5 mm