Dual Stage Shock Sensor A dual stage shock sensor effectively works like two seperate sensors. The first stage is more sensitive and is usually connected to the "warn off" feature found on many alarms. The secon...read more.
Ultrasonic Sensors 3-piece Ultrasonic Sensors for Car Alarms. Ultrasonic sensors work by monitoring air-pressure levels. The act of opening a door or forcing a window creates a change in pressure which triggers the a...read more.
Microwave Radar Sensor A Microwave Detector works by setting up an invisible bubble which triggers the alarm if entered. Universal Design Fully Adjustable Sensitivity LED to assist in Sensitivi...read more.
Dual Zone Microwave Radar Sensor A Microwave Detector works by setting up an invisible bubble which triggers the alarm if entered. A dual zone sensor works like two seperate sensors. The outer zone extends outside the vehicle and ...read more.