Langkou Air Quality Monitor Indoor, Carbon Dioxide Detector Portable Carbon Dioxide Monitor, CO2/Temperature/Humidity Meter, NDIR Sensor, Confined Space Air Monitor Tester Alarm, for Room/Car/School
- ...multaneous monitoring of room temperature and humidity, all displayed on a sleek, clear LED screen. Always protect the health of your family..
- 【PROFESSIONAL PRECISION SENSOR】- NDIR CO2 sensor is a professional grade particle sensor, the best chip for indoor air quality monitors. Large air inlet and outlet duct design allows the internal sensor to accurately analyze each particle, while the CO2 concentration sampling takes only 1.5s. Bringing together the world's top technology, it provides you with the most accurate air pollution monitoring..
- 【SOUND ALARM & CO2 CONCENTRATION STAGE】- This Carbon Dioxide Detector is designed with 4 stages of CO2 concentration—normal stage /warning stage/dangerous stage/very dangerous stage. With our Carbon Dioxide Detector, you can set the alarm threshold between 800-2000ppm, and it will alert you when the detected CO2 concentration reaches the alarm threshold you set. Press and hold the ""down"" button to turn the buzzer on or off..
- 【SIX BRIGHTNESS ADJUSTABLE】- Free to adjust the screen brightness of the instrument in daytime/nighttime according to ....