Smart Wi-Fi smoke detector, fire alarm, wireless home smoke alarm with app notification (battery not included)

👉Product Parameters: Material: ABS Size: 8*3.8CM Battery Power Supply: 2 x 1.5V AA batteries (not included) Detection Range: 20㎡Package List: WiFi Smoke Detector*1 + Instruction Manual 👉 Features:💯Alarm Notification: Connect the WiFi smoke detector to the Tuya Smart or Smart Life app. You can then remotely control your smart smoke detector via the mobile app and receive prompt app notifications for alarms, malfunctions, and low battery warnings. (Note: Uses 2.4 GHz network, 5G is not available). 💯Advanced: Thanks to advanced photoelectric and electrochemical sensor technology, it can detect even the largest burning flame particles and effectively reduce false alarms. When smoke is detected, an alarm of over 80 decibels is triggered. 💯Automation: The WiFi smoke detector seamlessly connects to other Tuya smart devices. You can set a condition in a smart scene so that the light turns red when smoke is detected, or so that the extractor fan starts working immediately when smoke is detected. 💯Test and Mute Buttons: Test your smoke detectors weekly by pressing the Test/Mute button. This Wi-Fi smoke detector continuously checks its circuits, electronics, and battery status to ensure proper operation. 👉 Note: 1. All dimensions are measured manually; there may be errors. Please understand! 2. Please measure your size before purchasing! 3. If you don't know how to use it, contact us!