[Male-to-Female DC Extension Cable]--DC 12V 5.5mm x 2.1mm Power Extension Cable, Male to Female Connector. It is a perfect solution when your devices' standard power cable is too short and need to extend to the installation spot. 2 or more extension cables can be cascaded together to meet longer distance. (Notice: For DC 5.5mm x 2.1mm plug only, it can not work with other size.) [Safe & Reliable]--Made of 100% Premium Pure Copper Wire, the cable works safer with better conductivity and more stable transmission than those cables with aluminium-clad copper wire. With premium pure copper, solid connector and high-quality insulation layer, the cable makes sure a safe, stable and reliable connection, and protects you and your devices when offering continuous power supply. [Wide Application]--Ideal for CCTV Security Camera, IP camera, LED light strip, Monitor, Printer, Lighting, Router, Recording Equipment, etc. Fit for 12V DC power adapter or other devices requiring 12V DC power