Excalibur 1-Way Car Alarm System with Remote Start - 1500 Foot Range (2) 4 Button 1-Way Remotes 433MHz - 1500 Foot Range Technologies: ECHO 2-Way Ready Linkr Compatible Blade Compatible X-OS: Firmware Upgradeable using Weblink Technology Vehicle Learning Technology Faster than Programming: Auto-Detects Ignition Sequence Verifies RS Connection Automatically Auto-Detects Tach/Data-Tach/Tachless Auto-Detects Data Port Protocols Powered by the AL-XX70-B module Ultra Compact Multi Tone Siren Dual Zone Magnetic Shock Sensor Unauthorized Transmitter Alert Gas/Diesel Compatible Manual Transmission Compatible 3 Mode Anti-Carjacking: Ignition, Door & Transmitter Activated Horn honk output 7 Onboard Relays 4 Auxiliary Channels Automatic Rearming Starter Interrupt Silent Arm/Disarm Auto Detects Optimal Crank Time in Tachless Mode Simultaneous Horn Honk & Siren Alert On-board temp sensor Low temp auto crank adjust Low/high temp auto start Low voltage auto start Supports iDatalink & DBI Protocals Human Panic Horn Honk Alert Dual data ports Backup battery port Turbo Timer Run Time Extender Pit-Stop Mode XL Pit Stop Mode - runs for 12 hours