Bosch Smart Home door/window contact, alarm system, break in protection, compatible with Apple HomeKit

Versatile: As part of the alarm system, to prevent break-ins, for energy-efficient heating or as part of your individual automations The door/window contact detects open windows and doors and notifies you via the Bosch Smart Home app on your smartphone The smart window sensor, as part of the Bosch Smart Home room climate solution, automatically turns down the Bosch Smart Home radiator thermostats when a window is open Triggers audible and visible alarm as part of the alarm system: Also via app Box contents: 1x window contact including electronics and magnetic contact, 2x Micro/AAA batteries, 1x spacer, fixing material: 2x adhesive strips, 4x screws, 1x installation guide Can only be used with the Bosch Smart Home controller available separately, Weight: 0.4629707505625 pounds, Manufacturer: Bosch