LORA heat alarm has a thermistor sensor design, used to detect the abnormal heat caused by the fire, timely inform the user, so as to avoid the further expansion of the fire disaster. Once the temperature transmission reaches the alarm setting value, the detector will issue an audible and visual alarm signal to remind you to take effective measures immediately. It can also link other other devices to eliminate dangerous situations and effectively avoid the occurrence of vicious accidents such as fire, explosion and poisoning.