ITEM NAME:4Pc 5.5x2.1mm Male + Female DC Power Socket Jack Plug Connector Cable Wire 123c Product Parameter: Rated temperature: -20  ° C - + 90  ° C  Rated voltage: 300V  Connector Polarity Within + (red line); Negative - (through black line) 5.5mm + 2.1 / 2.5mm  Connector Material: Arc-extinguished copper + appearance of zinc (non-ferrous head)  Conductor specifications: a single 0.3mm (0.3 square)  JUE edge: PVC jacket  JUE edge Material: Green PVC (PVC)  Conductor material: TS / AS single oxygen-free copper conductive, low heat transfer  Single or stranded bare copper or tinned copper wire (tinned copper wire 0.12mm-0.4mm)  Z large transmission current: 7.5A  Transmission voltage: 1V ~ 38V  Function Uses: Used to monitor high-power power supply or LED and other electronic equipment  Joint Features: With fork buckle, the contact point is good, does not happen bad phenomenon Long service life Easy to install, easy to install, with excellent high temperature low temperature performance, with excellent high pressure, anti-aging, high temperature, acid and alkali, long service life..Long service life Easy to install, easy to install, with excellent high temperature low temperature performance, with excellent high pressure.