BOSCH Smart Home Twinguard Smoke Detector with Air Quality Sensor - White, White

- Enjoy peace of mind when you're away with this Bosch smoke detector that sends real-time notifications to your phone - Connect to the Bosch Smart Home app for air quality insights and instant fire alerts - When there's fire or smoke, this sensor alerts you with a loud siren - It comes with screws, plate and tape - everything you need to install the detector quickly and easily - Replaceable batteries means you can just pop in new ones when needed- Multi-purpose alarm monitors smoke, temperature, humidity and indoor air quality__________________________________________________________Please note: The Bosch Smart Controller (sold separately) is required to connect your smart home devices. Pair with other Bosch Smart Home devices (sold separately) to unlock full features, such as using with the Eyes Indoor Camera for alerts to trigger live video, or with the Door/Window Contact Sensor to detect break-ins.