1.A professional illuminance meter designed to measure light intensity (illuminance), accurately reflecting the degree of lighting on a surface based on the ratio of luminous flux to the illuminated area. 2.Delivers high measurement accuracy with fast response speed, enabling reliable and real-time light intensity readings for professional and practical applications. 3.Features a clear 3 1/2-digit LCD display, providing easy-to-read measurement values for quick evaluation and analysis. 4.Supports external output connection for data recording devices, making it suitable for monitoring, documentation, and extended measurement tasks. 5.Equipped with reading hold and peak hold functions, allowing users to lock current values or capture maximum readings for more convenient and precise light assessment.