NEDIS DTCTHL20WT Heat Sensor with Built-in Lithium Battery

Heat sensor with built-in lithium battery (10 years lifespan) and alarm 85 + dB. This small but powerful Nedis® heat sensor increases safety in the home. It can be placed in a room where the smoke sensors do not fit, such as in a kitchen.
The alarm is activated as soon as a high temperature (> 54 ° C) is detected. The powerful siren exceeds 85dB! The detector is equipped with a lithium battery (with 10 years of life) and a test button to easily check the operation of the sensor. Finally, it is very easy to install, using the screws and plugs included in the package.