With the FireAngel WHT-630-EUT heat detector you make your kitchen, garage and cellar safe. In these rooms you often have to deal with smoke and vapor, so placing a smoke alarm is not useful. The heat detector detects high temperatures between 54 and 65 degrees Celsius. With a sound signal of 85 decibels, the heat detector indicates that there is danger. The detector works on a lithium battery and lasts an average of 10 years with normal use. Connect up to 50 FireAngel Wi-Safe 2 detectors and make your home completely safe.