Ferguson Multipurpose Sensor FS1MP is a Zigbee Wireless Multipurpose Sensor, which can be used to detect the status of doors or windows by closing or opening the magnet part with the detector. It is suitable for residence, houses, workshop, warehouse, office etc for anti-burglar alarm and unauthorised access protection. The sensor has a detection range of >20mm and a networking distance of <100m (in free space). It is easy to install and flexible to use, and can be used in different direction open doors or windows.