Help protect what matters most with the Hardwired Kidde App Enabled Smart Smoke Detector with AA Backup Battery, Interconnected Alarm. Experience whole home smart connectivity by adding one smart alarm to your existing Kidde hardwired alarms** and get real-time notifications at home or away, including smoke and low battery warnings. Just download the Kidde app to begin alarm setup — no additional devices required. This Kidde app enabled smoke alarm’s enhanced sensing technology features over 25% faster smoke detection*** and reduces false alarms* often caused by cooking. Powered by 120V AC wiring with two AA backup batteries (included) to help ensure you’re protected during outages. The hush button ensures your smoke alarm is working and allows you to silence the alarm.* When compared to prior Kidde generations of smoke alarms. ** Different models offer different interconnection options and requirements. Check the User Guide for more info. *** In terms of consistency and range of obscuration rate, based on internal testing for Kidde 9th Edition vs. leading competitor 8th Edition products.