Indoor Air Quality Monitor, Co2 Detector, Ndir Sensor, 400-5000 Ppm

3-IN-1 Multi-Function: Measure CO2, Temperature, and Humidity, with high accuracy NDIR sensor, 4-color visual indication for CO2 levels.Wi-Fi Connection & APP Remote Control: Connect via 2.4G Wi-Fi to the Tuya Smart App for viewing the monitoring data and the alarm history. No matter where you are, you can monitor the indoor air quality of your house.Real-Time Notification: Sound Warning Alarm on the device when CO2 levels reach or exceed a preset threshold. You will also be notified on your Smartphone whenever an alarm is triggered.Auto-Calibration: to ensure the accuracy of the CO2 sensor, make sure it is placed in a ventilated environment for 24 hours before being used for the first time.Power Supply: Built-in 1400mAh Li-Ion rechargeable battery-powered up to 8 hours operation. Also powered with USB power or 5V Adaptor.Material:Metal+ABScolour:blackPackage Contents:1 x host1 x USB data cableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.