Megatronix VS3030 Car Alarm Remote Vehicle Security System With Keyless Entry Two transmitters with long range 433.92MHz receiver allows for up to 500 feet range Random code hopping system with anti-scan technology Features current sense, passive arming, auto rearming, anti-carjacking Trunk release 2nd channel, auxiliary 3rd channel, domelight, and headlight outputs 5 Relays on-board (parking light, door lock, door unlock, starter kill, ignition kill)