The probe can be separated from the host device, the data sampling is more flexible, the reading is more convenient, and the test can be carried out for different angles and various occasions. The multi-function device can simultaneously measure illuminance range: 0~200,000lux) and temperature (-20~50°C, -4~122°F), clearly displayed on the screen, with unit switching function. The high-definition LCD display with backlight allows you to read data at a glance in any lighting conditions and can be turned on with just one button. The device can be wirelessly connected to the APP through Bluetooth, connected with the mobile device, and perform certain operations, which are stable and bring more convenience. The light meter has manual and automatic data storage function, allowing you to switch freely, providing more convenient reading and testing.