FL2101 Digital Illuminance Meter is a digital illuminance meter with wide measurement range, high accuracy and fast response speed. It is suitable for use in workshops, classrooms, houses, offices, laboratories, flower cultivation, greenhouse cultivation, green agriculture, breeding, fisheries, aquatic products, photography, health care, hospitals, hotels, aviation, airports, shopping malls, cinemas, theaters, and entertainment venues for illuminance measurement and other special illuminance requirements.