LZ-2902 CO Smoke Alarm Product Description The LZ-2902 is a combined CO (carbon monoxide) and smoke alarm designed to provide comprehensive protection against both smoke and carbon monoxide threats in residential and commercial settings. This advanced device features a long-lasting battery, high-sensitivity sensors, and user-friendly indicators to ensure continuous and reliable safety monitoring. Key Features: Power Supply: DC 3V (non-replaceable battery) Battery Life: 10 years (non-replaceable) Sensor Type: Electrochemical Figaro CO Sensor Alarm Signal: Loud >85dB(A) alarm signal (measured at 3 meters) Indicators: Power/Fault/Alarm indicator Visual LED for power and alarm status User Interface: Test/Menu button for easy operation and testing Low Battery warning (audible and visual) Product Lifetime: 10 years from initial power-up LED Display Range: 20~999 PPM (parts per million) for CO concentration End-of-Life Indicator: Alerts users when the device…