This digital illuminance meter is an instrument for measuring light intensity. It adopts LCD digital display, which can directly show the light intensity value with wide measuring ranges, high precise and easy to use. The illuminance meter is widely used in indoor and outdoor illumination design, building illumination, road illumination, plant growth illumination and other fields. Features: Lightweight and Portable: Optimized construction design, small and compact, light weight and portable, easy to carry and easy to use. Large LCD Display: Adopts 3 1/2-digit LCD display, with 18mm word height, easy to read, clear display and does not hurt your eyes. And it can also be clearly displayed under sunlight and dark environment. Silicon Secondary Tube Photoreceptor: Silicon diode photoreceptor can measure light intensity and brightness more accurately and reduce errors. Multifunctional Design: High resolution, with measuring ranges of 1-50,000 lx, with reading lock and low power indication function. High Capacity Lithium Battery: Powered by built-in 6F22 9V battery, with long endurance, and the battery is replaceable. Wide Applications: The illuminance meter is widely used in indoor and outdoor illuminations, such as building illumination, road illumination, plant growth illumination and other fields. Specifications: Name: Digital Illuminometer Material: plastics Battery: 1 * 6F22 9V alkaline battery (included) Display: 3 1/2 digit LCD display, 18mm word height Measurement ranges: 1-50,000lx Sampling rate: 2.0 times / second Repeat test: 2% Temperature characteristics: 0.1% / Accuracy: 4% rdg 0.5% f.s (greater than 10,000lx grade accuracy of 5% 10 words) Reading value lock function: Low power display function: Operating environment: 0-40/32F-104F, 0-70%Rh Item size: Illuminometer size: 118 * 70 * 29mm / 4.65 * 2.76 * 1.14in Silicon diode photoreceptor size: 100 * 60 * 28mm / 3.94 * 2.36 * 1.10in Package size: 130 * 80 * 60mm / 5.12 * 3.15 * 2.36in Package weight: 200g / 7.05ounce Packing List: 1 * Digital Illuminometer