Aqara Smart Smoke Detector

10-Year Battery Life: Thanks to the energy-saving technologies and powerful lithium battery, the device can reach a record ten-year battery life. You will not need to worry about changing the battery for a long time which will give you peace of mind. Multi-Device Grouping: Without any extra actions needed, one Smoke Detector will trigger the other Aqara Smoke Detectors to sound an alarm, and you will hear it no matter how big your house may be. Zigbee 3.0 Protocol: Enjoy the benefits of the fastest, most stable, and energy-efficient smart home technology. Offering better stability and compatibility (more standardized protocol), longer support, and more features. Compatibility with HomeKit, Yandex and more: Compatible with most popular smart home ecosystems. HomeKit, Yandex, IFTTT, and more are supported. Just connect it to the Aqara Hub and bind the account.