GB Features: 1. Car voltage converter converts unstable voltage into stable voltage output 2. It has automatic protection functions such as overvoltage, overcurrent, overtemperature and short circuit, and can work normally after the condition is restored. It is an essential product for car audio and video systems (especially for vehicles using 24V power supply) 3. A variety of current output options Parameters: 24-36V convert to stable 12V voltage Weighs about 150G 24V input wiring instructions: Red wire: main power wire, connected to the battery positive. Yellow wire: ACC wire with memory cable, pick-up key switch. Black wire: Connect the battery negative pole or the ground wire on the car. 12V output wiring instructions: Red wire: The main power cord of the appliance. Yellow wire: ACC wire, with memory cable, control of the electrical appliance. Product List: 1* Converter