30.3311.02 Windows and doors contact sensors, Set of 3

Windows and doors contact sensors for operation with WEATHERHUB SmartHome System - Climate and home monitoring via smartphone Check data at any time and anywhere via smartphone, wireless monitoring of doors and windows throughout your home, push notification when a window or door is opened, overview of open doors and windows at a glance, memory of at least 90 days, set of 3 with white or brown cover, 868 MHz, only for operation with the WeatherHub gateway (sold separately, e.g. cat.-no. 31.4001.02)

extent Sensor: 18 x 20 x 54 mm Transmitter: 15 x 12 x 35 mm