20 feet in length with 12V. Extends the current power connection of an outdoor security camera. Very easy to set up with an outdoor camera. Compatible with models IPM-723, IPM-751, IP2M-852, IP2M-851, IP2M-846, IP2M-858, IP3M-956, IP3M-943, IP4M-1026 and IP4M-1028. Also compatible with other IP security cameras that require a 12V DC input ( 5.5 mm x 2.1 mm), including Foscam, Dericam and FDT