Description The Ajax Door-Protect Door or Window Contact is a wireless opening detector that notifies of first signs of room intrusion by means of an open door or window. The device detects the door or window being opened by way of high-end reed switches on which the magnetic field acts. Specification: Colour: White Compatibility: All Ajax Hubs; Range Extenders; ocBridge Plus; uartBridge Detection Distance: Small Magnet: 1cm; Big Magnet: 2cm Frequency: 868.0-868.6 MHz Installation: Indoors Operating Temperature: -10deg to 40deg Power Input: CR123A battery; 3V (Included) Sensing Element: Reed switch Transmission Distance: Up to 1.2km Dimensions: 20mm (Diameter) x 90mm (Height)
