Putogesafe Smart Smoke Detector, Wireless WiFi Smoke Detector with App Control, WiFi Smoke Alarm with LED & Silence Button, Fire Alarm with Photoelectric Sensor for Home, Low Battery Warning, 1 Pack

【REAL-TIME NOTIFICATION REMINDERS】 When an alarm is triggered or the device status changes, you can receive instant information on your mobile phone immediately.
【2-In-1 COMBO SENSOR】The Wifi smoke detectors is equipped with a 2-in-1 smoke and heat sensor, which can respond to the smoke level more quickly and notify you of the arrival of danger immediately.
【WiFi CONNECTION】 Using a 2.4GHz network, the smart smoke alarm can be connected to the smartphone and used with smart applications. (Note: Not 5G)