Specification: Input voltage:AC 100-240V, 50/60Hz. Output voltage:DC12V 5A (60 Watt). 2-Pin US Plug; DC connector size: internal diameter: 2.5mm, external diameter: 5.5mm | Package Include: 1) 8-Way Power Splitter cord enables you to easily power up to 8 security cameras or 1 DVR with just one plug, no matter it is Analog or AHD; 2) 2.1mm x 5.5mm Power Plug features one power connector end DC plug female to another end terminal for CCTV camera connected, save time and securer cable connection | Multiple Uses: Power supply for the flexible LED strip lights, security camera DVR system, and other DC12V devices; this DC Adapter can work with most electronic devices for interface 5.5mm*2.5mm | Durable: Power adapter with frosted surface is not easy to scratch. No noise and stable voltage at working, short circuit protection to make sure power supply (transformer) work in good condition | Note: Please be kindly informed that the total wattage of LED strip lights should not exceed the max wattage of this adaptor)