Help protect what matters most with the Hardwired Smart Smoke Detector, Kidde App Enabled 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 test and hush button ensures your smoke alarm is working and allows you to silence the alarm.. Get real-time notifications from your phone. Easy setup with Wi-Fi connection and test & silence button*.. 29% faster average detection for Kidde 9th Edition. Alarm Sensor Type: Photoelectric. Alarm/Detector Features: Battery Back-Up. Alert Type: Siren. Commercial/Residential: Home. Included: Batteries,Battery Back-Up,Owner's Manual. Pack Size: 1. Power Source: Hardwired. Voltage (V): 120 V. Works With: Alexa. Certifications and Listings: ETL Listed. Product Depth (in.): 1.88 in. Product Width (in.): 5 in