Wi-fi fireplace detector with heat and smoke sensors. Features a crafted-in siren for alarms and gatherings notification. Operates as Portion of the Ajax system or without the need of pairing by having an Ajax hub. Testifire is the earth’s initial multi-stimulus detector tester for smoke, heat and CO hearth detectors. https://arthurpkznb.tinyblogging.com/what-does-detector-equipment-by-testifire-mean-78132105