We sold & installed the Compustar Pro T11 Alarm/Remote Starter in a CHEVY AVALANCHE 2012. Compustar’s Top of the Line. 5.5-button remote transmitter. Up to 3-miles of range with interactive 2-way LCD confirmation. IPX7 water-proof and impact-resistant casing make the toughest, most powerful remote on the market. The system provides the maximum security protection for the vehicle-includes an impact sensor, motion sensor & tilt sensor. Only system in the market that provides 3 sensors for the vehicle.