Excalibur AL100DP Keyless Entry Anti-Carjacking Alarm Security System UpgradeBRAND NEW EXCALIBUR AL100DP Keyless Entry Car Alarm Security System Upgrade Key Features: Full Feature Vehicle Security System for Factory Equipped Remote Keyless Entry Transmitters Parking Light Override 3rd Channel Activation Anti Carjacking Doors Will Also Lock With Automatic Rearming Horn Chirp Confirmation On Or Of 15 Second Entry Delay Active Arming " by using the remote transmitter to lock the door" Last Door Arming Automatic Rearming Arming