🔍 Illuminate Your World with Precision! Capture the highest reading with a 10-second peak mode for precise analysis. Built-in USB port with software for effortless data transfer and analysis. Large backlit LCD with a 40-segment bar graph for easy reading in any environment. Wide measurement range of 40,000Fc or 400,000 Lux for versatile applications. Automatically stores up to 16,000 readings for seamless data management. 40,000Fc range 16,000 readings USB connectivity The Extech Instruments HD450 Heavy-Duty Light Data Logging Meter is a robust tool designed for professionals, featuring the ability to store up to 16,000 readings automatically or 99 manually. With a wide measurement range and a user-friendly display, it’s perfect for detailed light analysis in various settings.