ASTRA ASTRA 4000RS-DBP Alarm and Remote Starter with Data Port Two 5-Button Transmitters • Complete Remote Security & Engine Start System • 2 Car Operation With 1-Way Remotes • Plug-In Dual-Zone Impact Sensor • Plug-In User Programmable Coded Override Switch & Led On Antenna • Built-In Programmable Parking Light Relay (?) • True Rpm Sensing For Real Time Cranking • Remote Start Tachless Mode Using Adaptive Digital Processing • Compatible With All Vehicles • Gas Or Diesel Compatibility • Factory Disarm & Rearm Output (-) • Power Door Lock Control • 1 Aux Channel With Selectable Output Type • Data Bus Port • 2-Way Ready Plug & Play Through Antenna Port • Includes Two 5-Button Transmitters With Super Bright Blue Leds