CHICIRIS CO2 Tester - Portable Air Quality Detector with High Efficiency Sound Alarm for Home, Office & Indoor Air Monitoring - Ideal for Schools, Bedrooms & Workspaces

Specification:Item Type: Air Quality DetectorMaterial: ABSProduct Size: Approx. 9 x 7 x 3.5 cm / 3.5 x 2.8 x 1.4 inBattery: 1 x 3.7V 18650 battery (Battery Not Included)Measuring Range 400-6000ppmMeasurement Objects: PM2.5, PM1.0, PM10, CO2, HCHO, TVOC, temperature humidityMeasurement Accuracy: 1ppmResolution: 50ppmVoltage: 5VFeature: With gravity sensor, three screens can be switchedWeight: Approx. 230g / 8.1oznHow to Use:Plug in battery and measure (Battery Not Included)Package List:1 x Air Quality Detector (Battery Not Included)1 x Connecting Line

[High Efficiency] Air convection design, rapid air circulation, more faster, more accurate and more effective detection, so you can use it with confidence.

[Widely Application] This air quality detector can be connected to a USB charging cable for charging, easy to use, widely used in homes, offices, bedrooms, etc.

[3 Screen Change] 3 kinds of screens can be changed at will, in the power on state, press the switch button 3 times continuously, you can switch the screen.

[Sound Alarm] Air quality monitor can alarm when PM2.5 exceeds the limit value, if PM2.5 data is greater than 100ug/m³, the sound alarm will be triggered.

[High Accuracy] Built in high accuracy sensor, accurately grasp the temperature and humidity of the environment, press the power button to convert °C and °F.