The Daewoo ELA1387GE Heat Alarm is engineered for maximum safety and reliability, featuring a 10-year lithium battery that ensures long-lasting protection without the need for frequent battery changes. This makes it a convenient and worry-free solution for home safety. The alarm provides both audible and visual alerts with a high-pitched siren and flashing LED, ensuring you are promptly alerted in case of heat detection. Features: One of the standout features of the ELA1387GE is its wireless interconnectivity with other Daewoo alarms, such as the smoke alarm (ELA1386GE) and CO2 alarm (ELA1388GE). This allows for a comprehensive safety network throughout your home, where all alarms will sound if one detects a hazard, providing an added layer of security. The alarm operates on a 433 MHz frequency, ensuring reliable communication between devices The heat alarm is equipped with a hush button to silence false alarms, which is particularly useful in reducing nuisance alarms from cooking heat