General description A Digital Gas Detector and Carbon Monoxide (CO) Detector designed to protect your family from the dangers of carbon monoxide. This battery-operated alarm features a digital display that is easy to read, even in low light conditions, and indicates the carbon monoxide level detected by the device. It is compact, lightweight, and user-friendly. Technical specifications Sensitivity/Alarm Time: Within 60-90 minutes at 50 ppm CO concentration Within 10-40 minutes at 100 ppm CO concentration Within 3 minutes at 300 ppm CO concentration LCD Display: 4-digit Audibility: 85 dB (at 1 m distance), Frequency 3 - 0.5 kHz Standby Current: