Uniguardian CA6554 Car Remote Start /Security System/ Keyless Entry/ 2-Way LCD Remote start  2500-foot range, One 2-way 4-button remote control One 1-way 4-button remote control Dual-stage magnetic shock sensor that detects unauthorized tampering Powerful 125 dB weatherproof siren Remote door lock and unlock Starter interrupt feature which shuts down ignition during unauthorized use