Item Type: Carbon Dioxide Detector <br>Material: ABS <br>CO2 Detection Range: 400-6000 PPM ±50 ±5%PPM <br>TVOC Detection Range: 0-2.0mg/m3 <br>HCHO Detection Range: 0-0.6mg/m3 <br>5 in 1 Detection: CO2/formaldehyde/TVOC/humidity/temperature <br>Measurement Accuracy: 1ppm <br>Temperature Range: -10~50℃ <br>Power Supply: 18650 lithium battery 1500mah (Battery Included) <br>Product Size: Approx. 9 x 7 x 3.5 cm / 3.5 x 2.8 x 1.4 in <br>Color Change Alert: <br>0-800 green <br>800-1200 yellow <br>1200-1500 orange <br>More than 1500 red <br>Weight: Approx. 217g / 7.7oz<br>1、[USB Charging] Carbon dioxide detector built in 1500mAh rechargeable battery, which can lasts up to 6 hours, and can be charged by USB. <br>2、[Continuous Monitoring] You can check the air quality anywhere, or you can keep the device on for continuous monitoring at a specific location. <br>3、[LED Digital Display] Large color display, LED digital display, which is easy to read, smart backlight to protect eyes, simple 1 button operation. <br>4、[Bluetooth APP] The Bluetooth APP comes with storage for 60 days, 24 groups to 1440 groups of data, the APP can read up to 1440 groups of data in 60 days, and 5 parameters are available. APP supports for IOS system, for Android system. <br>5、[Widely Application] Carbon dioxide detector is widely used in a variety of situations, such as offices, bedrooms, living rooms, gymnasiums, etc.1 x Air&nbsp;Quality Detector&nbsp;(Battery Included)<p><p>1 x Manual</p><p>1 x USB Cable</p></p>