?Easy to use?The end of the DC5521 power cord has been pre-stripped and tin-plated, which is easy to solder and install,connect. ?3FT DC5521?The DC power cord is 1m long (about 3FT), which is enough to complete most of the projects. It can also be cut as required. The double-layer PVC insulation layer is safer and corrosion-resistant. It can also be bent as needed and is very flexible. ?16AWG DC cable?Double 1.5mm² copper wire, thicker wire diameter than 18AWG, allowing higher current equipment to pass (Does not support data transfer). ?DC Power Pigtails Cable is Safe and fast?The end of the cable is black and red to indicate the polarity. Pure copper wire can provide faster and more stable conductivity, which can be better connected to other equipment. (DC 5521 male plug corresponding cable:red to inside, black to external). ?DC 5521 power supply repair cable?5.5mm x 2.1 mm DC power supply male repair cable is widely used for worn or damaged power cords, such as 12V 24V DC power supply equipment,LED light strips, CCTV security surveillance camera systems or low voltage application systems,etc.