Highest intensity light measurements up to 99,990Fc/999,900Lux.The Extech EA33 light meter features a wide measurement range to 999,900Lux with a resolution of 0.01Lux. The ripple function allows you to exclude the effect of stray light and maintain high precision within 3%. With the Extech EA33 light meter's built-in memory, you can store up to 50 measurements at a time. The Extech EA33 light meter features an easy-to-read display, which is also cosine and color corrected. The timed-hold function is relative in absolute value or % deviation. The handheld Extech EA33 light meter, weighing only 11.29 oz., comes complete with built-in stand, light sensor, and protective cover with 36" (0.9m) cable, protective holster, 6 AAA batteries, and carrying case.