Megatronix MEGA250 Vehicle Remote Start Car Starter System With Keyless Entry Two 4-button transmitters with superheterodyne (SAW) receiver allows for up to 1000 feet range Tach or voltage sense remote start for gas/diesel engines 3/24 hour auto starts with 5/10/20/30 minute programmable run time Keyless engine running allows for quick pit stops 5 relays on-board (parking light, starter, ignition 1, ignition, 2, accessory)