Digital illuminometer for measuring visible brightness with large screen display and wide measurement range up to 200,000 LUX. Features automatic range conversion and selectable illuminance units (LUX/FC). Includes MAX/MIN data hold, backlight function, auto power off, and low-battery indicator. Suitable for use in schools, hospitals, factories, airports, homes, and other environments requiring light level measurement. Color: Black Material: Plastic Package Contents: 1 x Illuminance Meter 1 x Instruction Manual (English and Chinese) Note: The item color may appear slightly different due to lighting and display variations. Measurement error allowance is +/- 1-3 cm. Only the items listed are included; other accessories are not part of the package.