AGEISLINK Wi-Fi Smoke Detector, Wireless Smart Fire Smoke Alarm with App Control, Replaceable Lithium Battery, Auto Self-Check Function, S-WF240, 3-Pack

Remote Controlled with Your Smartphone: Connect this Wi-Fi smoke detector to the TuyaSmart or Smart Life app on your phone via Bluetooth and remotely control the device even while you are away
Real-Time Push Notifications: Receive real-time alerts when the device detects danger or any malfunction so you can take action quickly, helping keep your property and home safe 24/7
Self-Check Function and Photoelectric Sensor: An automatic self-test checks the sensor, electronics, and battery every 60 seconds to ensure proper operation; advanced photoelectric technology allows it to accurately detect smoldering fires in seconds, alerting you instantly
Wide Detection Coverage & Loud Sound: A single device has an effective detection area of 215–430 ft² (20–40 m²), providing the maximum protection for each room in your house; its 85 dB buzzer is loud enough to warn everyone in the room
Mute via the App: Just tap a button in the app to mute any unwanted alarms; no more climbing a ladder with a broom just to push the silence button