Meross GS559A WiFi Smart Smoke Detector (HomeKit)Meross GS559AH WiFi Smart Smoke Detector The smart and precise smoke detector will take care of your and your family's safety. When the alarm detects smoke, it will automatically sound a warning sound. If, on the other hand, you are using several alarms at the same time, all you have to do is let one of them catch the smoke and all the available devices will trigger. In addition to smoke detection, it can also detect overheating, and thanks to its