Check the listing for details. Firsttech Compustar FT-AlarmIt-Kit V2 Alarm It DAS II Sensor with LED & Siren. Condition: New. Listed at 48.80 USD. FT-ALARMIT KIT Alarm Upgrade Kit for Compustar Remote Starters Designed to work with DC3 and CMX brains to upgrade from a remote start to an alarm and remote start Adds security sensor, LED, E-LOCK relay, and siren to your Compustar remote start system. Works with select models. Firstechs' 2nd generation DAS (digitally adjustable sensor) now features a glass break sensor to help detect smash and grab intrusions. In addaition the DASII detects impact, tils, and forward motion *2-Way Alarm Alerts If your Compustar remote start system is connected to a 2-way LCD remote or DroneMobile, you will be instantly notified if your alarm is triggeredThe Smartest Security Sensor The ALARMIT KIT includes a DASII 4-in-1 sensor that adds the following security features to your vehicle: dual-stage shock detection, tilt sensing, and accelerometerThe Loudest Siren The alarm siren included in the ALARMIT KIT features a speaker that gets as loud as 105+dB; capable of scaring away intruders and alerting those nearbyWhat is an "E-LOCK Relay?" The E-LOCK relay included in the ALARMIT KIT functions as a "starter-kill", which prevents your vehicle from being driven while your security system is armed; thus preventing auto-theft/carjacking Included Parts in Kit:New DASII - Glass Break, Impact, Tilt, Motion SensorLED Light does not come on till sensor is plugged insirenEnigine-Lock Relay