The ANKA AJ83X series Carbon Monoxide Detector employ a high-precision electrochemical sensor, are Battery Powered with a battery life of 2 or 10 years, feature a real-time LCD Display, Voice Alarm, Temperature And Humidity Monitoring. This product is available in Standalone Or Wireless Interconnection versions. They strictly comply with BSI Or EN50291 European safety standards, have a 10 Years Lifespan, and support Wi-Fi/Zigbee smart networking, catering to the high reliability and intelligent connectivity needs of both home and outdoor environments.