MPC PK-A1 (0495) Door Popper Kit Built-in Relays - The new control module has built-in relays which eliminates 90% of wiring for a cleaner, faster, simplified installation. This system will shave AT LEAST an hour off the install time Single wire connections: No need to buy extra wire or make splice connections. Our new control module includes a wiring harness w/1 WIRE to run to each side of the vehicle & connect to the solenoid Programmable Safety Feature - To prevent accidents, our new control module automatically disables the door popper system if it sense that the vehicle is running Redesigned Remotes - Sleek two-button design w/a sliding cover to prevent accidental door opening while the remote is in your pockets. Press both buttons at the same time for optional trunk release! (2) Heavy-duty solenoids (45 lb. max pulling force), (2) chrome door poppers, RC receiver w/built-in relays per door, (2) 2-button 3 transmitters, (2) push buttons, steel linkage cable