The Ei Electronics Ei630iRF wireless heat detector is a sophisticated heat detector specially designed for indoor use. Equipped with a permanently installed 9V lithium battery, it offers a service life of up to 10 years. The integrated thermistor sensor has a trigger temperature of 58 °C, making it a reliable choice for early detection of overheating. The Ei630iRF is wirelessly networkable and can be connected to up to 31 other devices, providing a comprehensive security solution for your home. The AudioLINK function makes it easy to monitor and analyse the alarm history via a mobile app. In addition, the large test and mute button ensures user-friendly operation without the need for a ladder. The heat detector is equipped with a dismantling lock that prevents unauthorised removal and thus offers additional security. Can be wirelessly networked with up to 31 devices. Integrated thermistor sensor with trigger temperature of 58 °C. AudioLINK function for alarm history monitoring. Large test/mute button for easy operation. Anti-removal device to prevent unauthorised removal.