Features Large Measuring Range: This illuminometer has a large measuring range, which is 0.1Lx‑200,000Lx, 0.01FC‑20,000FC Accurate Measurement: The illuminance meter has high measurement accuracy and quick response speed, which is practical and reliable Peak Lock Function: The digital illuminance meter can track pulse signals greater than 100mS and lock the peak value Reading Lock Function: The illuminometer can lock the measured value for easy and convenient recording, no worry about the loss of data Application: The illuminance meter is widely used for indoor and outdoor brightness detection, such as factories, warehouses, schools, offices, street lamp construction and so on Specification: Name: IlluIllumination Photometer Material: ABS Model: LX1332B Battery: 1 x 9V 6F22 (not included) Application: Indoor and outdoor brightness detection Basic Parameter: Display: 3 1/2 digit LCD display with maximum reading of 1999 Range: 200Lx, 2,000Lx, 20,000Lx, 200,000Lx, 20FC, 200FC, 2,000FC, 20,000FC 20,000Lx gear reading value needs x10 to be the correct illuminance value 200,000Lx gear reading value needs x100 to be the correct illuminance value 20,000FC gear reading value needs x10 to be the correct illuminance value Accuracy: ±(4%rdg+10) More than 20,000Lx/2,000FC, the accuracy is ±(5%rdg±10 digits) Corrected with a standard flat light with a color temperature of 2856K Package List:1 x Illumination Photometer 1 x Manual1 x Portable Bag Package List 1 x Illumination Photometer 1 x Manual 1 x Portable Bag