With the Bosch smart window & door sensor, you can relax knowing your home’s got an extra layer of protection. Thanks to its built-in vibration sensor, it can spot break-in attempts just from the movement on the frame, so the alarm goes off before anyone’s even stepped through the door. Plus, it works with your other smart kit – like your heating – through the Smart Home controller. With the Ventilation setting, your smart radiator thermostats will automatically turn down the heat when it senses a window’s been opened.Good to know- Check if a window or door is open anytime using the app or asking your voice assistant – Use the built-in button to pause the sensor or trigger your own automations, like switching on your smart lights – Add it to your smart automations to trigger actions when a door or window opens or shuts – It’s easy to install with the included spacers and tape and has replaceable batteries