Overview: The heat alarm gives a fire warning when the temperature at the alarm reaches 55~65. It is ideal for kitchens, garages, boiler houses, and other areas where there are normally high levels of fumes, smoke, or dust i.e. place where smoke alarms cannot be installed. Features: Its 85dB sound alarm is powerful enough to wake you up on emergency occasions. Fixed point thermal alarm, A1 level, alarm temperature 55C-65C. Ideal for kitchens, garages, boiler houses, and other areas where there are normally high levels of fumes and smoke. Thermistor heat sensing element for accuracy reliability and stability power alarm test button. Comes with a 5-year battery (5Y); supports 30 days low battery warning. Note: 1. The device does not detect gas, smoke, or flames. 2. Please carefully read all the included user instructions before installing and using the device to ensure effective use. 3. The heat alarm should NOT be installed in escape routes. It cannot replace the smoke alarms. Specifications: Model: GABLE 5Y Power Source: 3V DC Lithium Battery Operation Temperature: CLASS A1, 55C-65C Ambient Humidity: 10% -90% RH (non-condensing) Horn Level: 85 Decibels at 3 meters Battery Life Type: 5 years for GABLE 5Y Battery Replaceable Battery Type: CR2 3V 1400mAh Distance From Ground: >3.0M,