The length is 6 ft DC power extension cord. It can be freely connected your security monitoring equipments to keep it enough power, even if it is far away from the power plug.
➤ This is 5.5mm x 2.1mm DC power extension cable, male to female power supply extension cord. It's widely used for indoor or outdoor security camera, CCTV, surveillance IP camera, security monitoring equipment, DVR, LED strip, router, invoice printer, low voltage devices etc.
➤ Plug and Play. It works perfectly for any devices that require extending the 5.5 x 2.1mm dc power extension cord. It's compatible with 24V / 15V / 12V / 9V / 6V / 5V or lower DC equipments. The maximum supported current is not recommended to exceed 3A.
➤ The size of DC plug is 5.5mm x 2.1mm, the outer diameter is 5.5mm, and the inner diameter is 2.1mm.
➤ The 2.1mm x 5.5mm DC power extension cord is made of premium pure copper material, lower resistivity and high electrical conductivity. High quality and durable insulating material.