Material ：ABS Plastic Mearsuring Range：1-200,000 Lux Accuracy：±4%rgd ± 10 Refresh Rate：2times/seconds Storge Temperature： -10°C-50°C(0%-90%RH) Item Size：16.7*5.2*2.7cm Display：5 Digits LCD Display Resolution：1 Lux Temperature Resolution：0.1°C Operating Temperature ：0-40°C Power Supply：3*1.5V AAA Battery(Not Included) Measure the Luminosity of any light source. Conversion of Luminosity units. Data Hold with Maximum and Minimum. Low power indication. Auto or manual power off function. Temperature measurement function. Unit with high and low Luminosity alarm function. Packing Contents: 1pc Digital Lux meter Notes: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow slight measuring deviation due to manual measuremen. Note: *Due to the difference between different monitors, the pictures may not reflect the actual color of the item. *Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Thanks for your understandings.