The Kidde CV2106 smoke alarm is equipped with a 10-year battery life and optical sensor technology. It features RF interconnection capability, allowing it to communicate with other alarms wirelessly. With a 10-year warranty and dust compensation functionality, this alarm offers long-term reliability and minimal maintenance requirements. Its user-friendly design ensures easy installation and connection, providing enhanced safety and peace of mind in residential and commercial settings. Features and Benefits Temperature Range: +4C to +38C Operating Humidity Range: Up to 90% RH non-condensing Alarm Dimensions: D:78mm x H41mm Interlink Frequency: 868MHz Typical Applications Designed for installation in the home, mobile homes and caravans Standards Approved to EN14604 (3rd party tested)