General description Smoke and carbon monoxide detectors are essential devices for ensuring the safety of your home. This combined smoke and carbon monoxide detector allows you to monitor smoke and carbon monoxide levels effectively, providing peace of mind for you and your family. Technical specifications Alarm volume: 85 dB Alarm concentration: 50 ppm Material: ABS Color: White Size: 10 x 10 x 4 cm Power source: 3 AA batteries (not included) Low power consumption with long standby time Other information Features built-in high-precision electrochemical sensor and infrared photoelectric sensor for high stability and sensitivity, reducing false alarms. The combination of smoke and carbon monoxide detection allows for a single siren installation, simplifying setup and maintaining an attractive interior design.