Fariedl 3 in 1 Portable Carbon Monoxide Detectors, Travel CO Monitors RV Carbon Monoxide Detector Alarm Temp/Humidity Sensor, Rechargeable Real-Time Travel CO Monitor 120HR Standby Gas Detector

3 in 1 Air Quality Monitor: This multi-functional CO detector carbon monoxide detectors portabl integrated CO / Temperature / Humidity detection functions, we can see the gas ambient level is good or not actual time. Know what is in the air you breathe to improve your air quality, to protect your family. Travel carbon monoxide detector with high Precision Sensor: Multifunctional air quality monitoring device with high precision laser particle sensor and NDIR (infrared) technology based carbon dioxide sensor. CO range: 0~500PPM, Detection temperature: -10°C to 40°C (14°F to 104°F), Relative humidity: 20% - 80% RH LCD Display and Backlight Design: Large LCD display and backlight function, which makes this co detector easier to read in low light. As well as the which changes from expression icon and indicator light according to different levels of carbon dioxide concentration (Green Light ≦ 100ppm, Good; 100ppm＜Yellow Light ≦ 200ppm, Normal; 200ppm < Red Light, Bad) Built-in high capacity 2400mAh battery: With 2400mAh battery, this 3 in 1 CO detector can Continue working 90 hours with full charge; still support working when charging, which make this CO detector available working in varies occasions to prevent carbon monoxide-poisoning. Widely occasions using: This 3 in 1 multi-functional portable carbon monoxide detector for travel can be widely use like home, office, school, camping, picnic, outdoor adventure, in car etc.With portable design, we can put it on the desk, kitchen, near by fireplace, in bedroom, dining, field tent, even we can use it as hand-held air quality monitor.