SIM&NAT Male DC 2.1mm x 5.5mm Wire Power Pigtails Adapter Barrel Plug Socket Cables for CCTV Security Camera, DVR, Car Rearview Monitor System Video, LED Strip Light, Surveillance (20 inch / 50 cm) SIM&NAT Barrel power plug along with 20 inch length black and red wires, long enough to finish most of project, also can be cut according to your need. Dc male power pigtail wire is easy to maneuver and install, and also helps to conserve space. Most dome- or bullet-style surveillance cameras come with a short power cable but need a patch cable to connect to a power supply. SIM&NAT 12v pigtail dc connector is a perfect usage for connecting dc cctv pigtails to your power distribution system. With two high quality stripped tinned bare wires, there is no need to worry about it's quality and durability. 2.1 mm dc barrel plug cord is designed for CCD Camera or Wireless camera. You may connect extra Battery pack with 12v male dc pigtail power connector or for CCD Camera installation. Connect your camera to the power supply easily with cctv power pigtail, which has 1.67 feet of red and black color-coded wires along with a standard center-positive plug to connect easily to your camera.