This is a sensor not an entire system to be used with existing system
Miniature Dual Zone Proximity Sensor The AU-94TM is designed to provide both an internal and external zones of protection for the vehicle. When the exterior zone is penetrated by someone, a pre-warn signal is generated and sent to the security system's pre-warn input. When the interior zone is violated, the system immediately triggers.
Dual zone radar motion sensor
LED Sensitivity Indicator
Pre-Wired 4-Pin Harness