Designed for UV light measurement and analysis, while taking into account the measurement of lighting environment, integrating spectrum, radiant illuminance, and other measurement function parameters. The probe and host adopt split magnetic design and Bluetooth communication. The host adopts a 3.5-inch LCD screen with real-time measurement, spectrum curve and other parameter display interface, which is convenient and fast to use. It has wireless Bluetooth split technology. The probe can be connected to the WeChat applet by Bluetooth alone to measure, view and save data.