Carbon Monoxide Detector(LCD Displayer)

85 decibel alarm sound. The electrochemical carbon monoxidesensors. Alarm beeps model -- four short alarm. Red, LED shining and panic mode. "The clamorous" show "and" every 30 seconds, LO, it indicates that the battery Low (need to replace) (green LED flash surveillance status is Every 30 seconds) or unit (yellow LED fault). If the memory, alarm device, warned Green LED flash button, every second, once one Minutes, alarm will be displayed on the screen. - test/reset button to test and verify the unit of electronic products Appropriate unit operations and reset device in the company. Green and red leds, show Power supply: DC9V The sensitivity and time: 50ppm, alarm in 60-90 minutes 100ppm, alarm in 10 40 minutes 300ppm, alarm in 3 minutes Standby current:≤10uA "(LCD)," 5uA (LCD). Alarm current:≤25mA Range: 0-999PPM Operating conditions: 5-40°c, 20 ˜90%. R.H.