1. WiFi connection, temperature, humidity, carbon dioxide, buzzer alarm, Tuya Smart 2. When the carbon dioxide concentration reaches the preset value, the buzzer will alarm 3. Applicable to a variety of scenarios, real-time monitoring, in the car, public places, offices, bedrooms 4. Back hook, easily fixed in the air 5. Temperature/humidity dual detection, cold, warm, dry and wet, clear at a glance 6. Temperature range: -10 to 40 degrees Celsius 7. Measuring range: 40 square meters 8. Battery capacity: 2400mah 9. Power supply mode: TYPE-C/USB-C charging/built-in lithium battery 10. Charging voltage: 5V/1A 11. Dimensions: 98 x 90 x 40mm
Manual calibration: 1. Press and hold three keys at the same time in the off state 2. Enter the calibration state, and the screen will display a 200-second countdown 3. Calibration is successful
