Install Essentials 508D Radar Field Disturbance Sensor

I have DEI 508 D sensor installed in Nissan Maxima 2005 with Viper 791XW It works great, but make sure you adjust the sensor correctly (not to sensitive).

Works great! Use it on a Viper model 5000 in my Dodge Ram quad cab. When adjusted to high it even picks up motion a few feet away from truck with windows and doors closed. It even picked up on the vibration/motion of me tossing in a tool box in the back of the bed. Odd that it indicates 'open door' icon on remote when it warns and/or alarms. It does show as a different zone number than the door zone.

Works very good. You can hide the sensor so it`s undetectable. I have a Jeep with a Soft Top. This sensor was perfect for interior protection.