Wind prevent carbon monoxide poisoning - When CO concentration exceeds the standard, the detector emits an alarm and the red light flashes until the volume of ambient gas falls below the alarm threshold. > The electrochemical gas sensor in this CO detector is extremely sensitive for detector all co -fits in your home The LED indicator flashes in red and the alarm is triggered with a volume of 85 dB to alert all members of The family when CO is detected Pending alarm: the alert time depends on the level of concentration in carbon monoxide. 50 ppm, alert in the 60 to 90 minutes; 100 ppm, alert in 10 to 40 minutes; 300ppm, alert in 3 minutes. Large application - This carbon monoxide detector is suitable for all places where it is possible to have carbon monoxide, such as the kitchen, the bathroom, the bedroom sleep, the V