Multi functions: This weather meter detects wind speed, ultraviolet radiation, light, atmospheric pressure, altitude, temperature, and humidity with real-time monitoring. It features data storage for easy access and manual calibration for data accuracy. Set numerical alarms: Users can customize low and high alarms. When readings exceed preset values, the device sounds an alarm and displays data in red. Calibration: Access calibration settings via the menu to adjust parameters using up/down keys. Data export: Supports Type C cable connection to computers for exporting data in TXT format, with storage for 200,000 entries. Menu interface: Local menu allows data recording and time curve viewing for detailed analysis. Portable design: Handheld device with built-in lithium battery for outdoor use. Display: Features a high-definition screen with backlight for clear visibility. Probe cover: Includes a protective cover for the fan blade probe that opens for measurement.