This device allows the power supply to provide current to the memory portion of your car radio while the car is turned off and will power the radio when the ignition is on. For use with Voltage Booster NGVB-HC and Power Inverter PGPI-HC.
 
For radios requiring a separate, always "hot" input for memory or clock functions. Features: Size: 50mm x 32mm x 28mm (Approx. without wires or bracket) Wire included Instructions included