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Digital Tilt Motion Sensor
The 507M Digital Tilt Sensor from Directed is ideal for protecting a vehicle from theft by detecting when the vehicle is being raised by a tow truck or lifted using a jack, in an attempt to remove the wheels or tow the vehicle.
AND
Invisibeam® Field Disturbance Sensor
Protect your vehicle with an invisible sensing field which detects moving high-density objects (including people) near your car using Radio Frequency (RF) field disturbance technology.