Class A1 heat detector for rapid fire detection. This heat detector is equipped with a highly sensitive NTC thermistor that accurately detects a sudden rise in temperature or static temperatures between 54 °C and 65 °C. This detector is not triggered by smoke, dust or cooking vapours. This detector is not triggered by smoke, dust or cooking vapours, so you don't have to keep switching off the alarm. Comprehensive and far-reaching protection for your home. By connecting the device with up to 23 other detectors from the X-Sense Link+ series, you can create a wireless security network for your entire home. As soon as an alarm is triggered, all devices emit a warning tone so that everyone in the house is warned in good time. 10-year sealed battery. The sealed lithium battery of this alarm detector is not only tamper-proof, but also particularly energy-efficient, eliminating the need for regular battery changes. With the X-Sense heat detector, your home is protected around the clock, even in the event of a power failure. 85 dB loud beep. In the event of a fire, this heat detector emits an 85 dB beep within a radius of 3 metres, loud enough to be heard by every member of your family. This gives you extra time to either extinguish the fire or get to safety. Test/mute button. The test/mute button on this alarm allows you to mute non-hazardous alarms or low battery warnings and test the functionality of the device. In addition, the device can be operated with the X-Sense remote control (sold separately) without the need for a ladder to press the button. Easy installation and set-up. This networked heat detector requires no wiring and can be attached to any wall or ceiling in minutes using adhesive pads (not included) or the supplied accessories. Ideal for areas where conventional smoke detectors cannot be installed.