The Bosch Smart Home Security Starter Set provides a simple way to start building your home security system. The motion detector and door/ window contact combine to trigger the smoke detector alarm and send notification if activity is detected. Devices are linked via the Bosch Smart Home Controller and are managed via the intuitive App. Optimal combination of Bosch Smart Home products for a home alarm system. Smoke detector alarm is triggered in the case of smoke or unauthorised access detection. In the case of an alarm being triggered, you will receive a notification directly to your smart phone. The Door/ Window contact and the Smoke Alarm can be allocated to specific rooms, so you know from where the alarm has been triggered. The Smoke detector has different alarms depending on whether smoke or an intruder has been detected. The Smoke detector can be silenced remotely from the Bosch Smart Home App. The system is compatible with Philips Hue lighting. Lights can be programmed to flash in the case of an intruder or smoke alarm. Batteries required: 1 x Li-Ion (included). Manufacturers 2 year guarantee.