Application: widely used in electro-optical sources, research teaching, metallurgy building, industry insp-ection as well as agriculture researching and illumination control. Model: LX101 Measuring range:0-50000LUX 3 RANGE: x1,x10,x100 resolution: 1 Accuracy: ±5%n HOLD Band pass filter Overload indication: 1 Power supply: 4x1.5V AAA (UM-4) battery Battery indicator: low battery indicator Dimensions: 97x53x17mm Weight (not including probe): 174g