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.
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.
Magnetic Door/Window Contact (Normally Open) A 'normally open' mangetic contact sensor (reed switch), ideal for protecting doors and opening windows in caravans, camper vans or caravans or anywhere that installation of a traditional pin ...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.
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.
PIR Movement Detector for car alarms A standard passive infra red movement detector converted for use with vehicle security systems, ideal for caravans, motorhomes and commercial vehicles. 12m range together with close proximity ...read more.