Multi-Ecosystem Support with MatterAn Evok Zigbee 3.0 Hub is required (except Camera Hub G2H) and sold separately. Smoke Detector supports Homekit, Alexa, and Google Home. 85dB Siren & LED Indicator The Aqara Smoke Detector comes equipped with a robust 85dB siren, loud enough to alert you even if you're in another room, asleep, or surrounded by noise. A bright LED indicator also flashes during the alarm, providing a clear visual cue. Multi-Device Grouping Effortlessly set up a network of multiple smoke detectors throughout your home. When one Aqara Smoke Detector detects a hazard, all connected detectors will activate their alarms, ensuring you’re alerted, no matter the size of your home. (Note: This feature is only available within the Aqara Home system). Immediate Notifications & Smart Automations The Smoke Detector monitors smoke levels and sends real-time notifications to you and your family instantly. It integrates with the Aqara Home app, allowing you to create custom automations and alerts. You can also personalize notification settings and disarm options, making your smart home even more efficient and secure. Ultra Long Battery Life Equipped with advanced battery-saving technology and a high-capacity battery, the Smoke Detector offers an impressive 10-year lifespan. This means you can enjoy long-term peace of mind without the hassle of frequent battery replacements. The estimated battery life is based on testing at 25°C, 50-65% humidity, with one 5-minute alarm every 30 days via Home. Third-party platforms may increase power usage and display inaccurate battery levels. For accurate readings, please rely on Home's display and real-world usage. Certified The Smoke Detector has obtained European conformity certification and UKCA certification, meeting the stringent BS EN 14604:2005 + AC:2008 standards. This ensures reliable performance and safety.