Features 1、High Accuracy: The CO alarm monitor is equipped with a high accuracy sensor, ensuring reliable and accurate detection of smoke and CO levels. Keep your home and family safe with this advanced detection technology. 2、360° Detection: With its 360° detection capability, this CO alarm detector provides comprehensive coverage, ensuring that every corner of your home is monitored for any potential threats. 3、Clear LCD Display: The LCD display on this smoke and CO detector shows real time information, allowing you to easily monitor the smoke and CO levels in your home. 4、Loud And Clear 85dB Alarm: In the event of an emergency, the smoke detector emits a loud sound at 85dB, alerting you and your family to potential danger. This powerful alarm ensures that you can't miss the warning and can take immediate action to evacuate. 5、Ceiling Installation: This CO alarm monitor detector is designed for ceiling mounting and can be mounted on walls and ceilings for a larger detectable range. Specification Item Type: Smoke And CO Detector Material: ABS CO Detector Battery Type: AA Battery x 3 ( Not Included ) Smoke Detector Battery Type: 9V Battery 6f22 x 1 ( Included ) Smoke Detector Battery Capacity: 280mah CO Detector Parameters: Alarm Sound: 85dB Alarm Standard: EN50291. Sensitivity And Time: 50 ppm, Alarm In 60-90 Minutes 100 ppm, Alarm In 10-40 Minutes 300 ppm, Alarm In 3 Minutes Mounting: Ceiling Mounted Display: LCD Display. Operating Temperature: 0-50°C; Operating Humidity: 20-95% R.H No Condensation; Smoke Detector Parameters: Volume level: >80dB Type: A2R Operating Temperature: -10'C-+50°C Relative Humidity: <95%RH (40°C ± 2°C) Output Form: Sound And Light Alarm Package List 1 x CO Detector 1 x Smoke Detector 1 x CO Detector Tray 4 x Expansion Screws 4 x Screws 2 x Manuals