Smart CO2 Detector, WIFI Smart Home Carbon Dioxide Detector, Highly Accurate Smart Air Quality Sensor, Portable Temperature Humidity Digital CO2 Meter For Indoor Home Office

✅ - Monitor the air quality CO2、Temperature、Humidity ✅ - Calibration In the off state, press and hold the three keys at the same time. The screen displays a countdown of 200 seconds. Calibration runs automatically. ✅ - Custom Alert Value Set the applicable CO2 alarm value according to your environment. ✅ - Alarm Trigger Smart linkage to siren alarm in Smart Life APP as when the CO2 concentration reaches the value you have set, the audible alarm will be triggered to alarm automatically. ✅ - Two Placement Methods Wall hanging mode Table standing mode ✅ - Battery and Screen Type-C charging port with 2400mAh built-in lithium battery(up to 25 hours). Large color screen display. ★★★Specifications★★★ Carbon Dioxide Range: 400 ~ 5000 ppm [± (50ppm + 5%) ] Temperature Range: -10°C ~ 40°C (±2℃) / 14℉ ~ 104℉ (±3.6℉) Humidity Range: 20 ~ 80 % RH (±5 % RH) Product Size: 98 × 90 × 40 mm Power Supply: Built-in Lithium Battery (2400mAh) Wireless Connection: Wi-Fi (only for 2.4GHz Wi-Fi network) Input: 5V 1A (USB cable) ★★★What you will get★★★ 1 * WiFi CO2 Monitor 1 * User Manual 1 * TYPE-C Charging Cable