Description: High quality power HUB.5V Protects the phone from being killed . More than 4.8V actomatically cut off the output and the buzzer alarm Voltage protection extender with USB.Supprts all types of DC 5V 1Amp to 30V 5 Amp. Male port: red plug is positive input, for connecting voltage interface; black plug is negative input, for connecting current interface. Female port: USB Type-A + 2x red positive output + 2x black negative output.One red and black positive output is for connecting activation plate; another red and black positive output is for connecting phone motherboard; USB Female is for connecting USB scalable power cable Specification: Material: plastic Cable length: 390mm/15.35inch Package Includes: 1 Piece Phone Repair Power Cable