1. **Adjustable Brightness Temperature Unit Selection**: The device features adjustable screen brightness and allows switching between Celsius and Fahrenheit units to accommodate preferences in different countries. 2. **Infrared Remote Control Temperature Humidity Sensors**: This 2in1 device supports over 5,000 devices with its infrared remote control function. It also includes builtin temperature and humidity sensors, touch buttons, a classic design, and a mirror screen. 3. **Smart Linkage Alarm Management Settings**: The smart linkage function automatically activates the air conditioner when indoor temperatures reach 30°C or the humidifier when humidity drops below 68%. If temperature or humidity exceeds preset thresholds, an alarm is triggered. 4. **Accurate Realtime Display Calibration Function**: The device provides precise realtime temperature (0.1°C) and humidity (±5% RH) readings. If discrepancies arise when comparing with other measuring devices, the calibration function can be used for adjustment.