The Best Smoke detector battery

Remote Alert: Once the smoke concentration reaches the alarm value, Mijia Smoke Detector will emit light and sound. And the alarm message will be sent to the user phone APP and linkage devices. Periodic Self-inspection Reminder: Mijia Smoke Detector can finish self-inspection by APP. Related reminder will be pushed on the first day of the month, you can open it to ensure everything goes well. Built-in Photoelectric Smoke Sensor: To detect smoke and to detect the fire. Comes with CR123A Powered Battery: completely wireless installation. As it comes with the green rice ultra-low power sensor technology, this Mi smoke alarm battery has life of up to 5 years! Honeywell and Xiaomi ecological chain enterprise joint creation design, located in the home gas use safety.