Scytek Astra 777-C 2-Way Paging Car Alarm Vehicle Security System with Carbon Fiber and LCD Remote Control One Carbon Fiber 2-Way 5 Button LCD remote control with Vibration Mode and One Standard 4-Button Remote Built-In Parking-Light Relay Plug-in user programmable Coded Override Switch Plug-in Dual-Zone Dual Adjust Piezo Sensor Remote Door Locking/Unlocking negative outputs; Passenger Unlock Output