A handy digital lightmeter for photography, lab work, architectural, engineering and construction applications. It includes an integrated stand and will measure incident light in 3 ranges: 0.01 to 200, 200 to 2,000, 2,000 to 20,000 and 20,000 to 50,000 lux. The photo detector is wired on a curly cord which extends to 1 metre, allowing the user to take light measurements at the optimum position. Sensor cover included. 1999 Count LCD 3.5 Digit Readout Auto Zeroing Data Hold 3 Ranges Seperate Photo Detector Lux Measurement Range : 0.01lux, 50000.0lux Accuracy : 5.0% Display Type : LCD Length : 188.0mm Width : 64.0mm Depth : 24.5mm Battery type : 23A Battery Quantity : 1.0pc Are batteries included : true Batteries can be replaced : true Battery compartment location : Back Sample Rate : 1.5Hz