The wireless fixed heat and rate-of-rise temperature sensor offers expanded fire detection and installation flexibility. It is ideal for hard-to-wire locations and applications that require more than smoke detection. This is a fast and easy install with no wires to run. More over,The wireless heat detector with a reliable sensor and a loud alarm. such as our SR-820DHR wireless heat detector ！
This beautifully designed wireless heat detector SR-820DHR by Sumring has a high-quality sensor which measures temperature precisely. If the ambient temperature is too high, the detector sounds a loud alarm of 85dB.
The wireless heat detector is used in places where a normal smoke alarm is not suitable. Think of places where cooking or water fumes often occur, such as the kitchen or bathroom. This detector can be connected wirelessly to other detectors. As soon as heat is detected by 1 heat detector, the other connected detectors will also give a loud alarm. The heat detector responds to extreme temperatures (above 57 degrees Celsius).
The wireless heat detector can be connected wirelessly to all other wireless heat detector！Its radio frequency is 315MHz/433MHz and Code form 2262/1527 code.
So you can also connect this wireless heat detector to the smart home alarm system, so you will be warned by the tuya or smart life app in case of fire. Sumring also provides a 2-year warranty on this wireless heat detector.