The Illuminometer equipped with photoelectric sensing technology, which can effectively represent light intensity with electrical signals, then processes data and displays the result on LCD. It is light weight,compact, ergonomic, and user friendly, making it a great tool for monitoring light intensity in homes, offices,schools, laboratories, indoor farming, hospitals, and other areas.<br><br>Name:Illuminometer Measuring range: 200,2000,20000,100000LUX (20,000 LUX for a realistic reading Value x 10) (The reading value is displayed at 100,000 LUX,X 100 is required for the correct illumination value.) Automatic data recording:1-50 data records Power supply:2xAAA batteries(not include) Colour:Red Material:plastic<br><br>Package Contents: 1 x Digital Illuminometer<br><br>Only 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.