It is a product designed for vehicles with 4 point injection.

Its duties:

1. To stop the fuel injections when the vehicle passes to gas and to avoid the ECU* of the vehicle to perceive the case as a fault.
2. There is delay circuit for avoiding the problems when the vehicle passes to gas.

The socket group is for Japan type vehicles. (The socket group is original.)

*ECU is the computer that controls the whole system on the vehicle.