It is a digital illuminometer, used for measuring visible brightness, screen display, wide measuring range, up to 200000LUX, automatic conversion range. Can be widely used in such as schools, hospitals, factories, airports, families and other occasions of brightness measurement.Color: BlackMaterial: plasticFeatures: Measurement visible brightness, measurement range is wideIlluminance unit switchUnit of illuminance:,Measurement time: SMAX/ MINData HOLDBacklight functionAuto Power Off functionLow-battery indicatorPackage Contents:1 x illuminance meter1 x Chinese and English instruction manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.