The Extech EA30 Light meter sports a compact and rugged design and features a large display. It features multiple, wide measuring ranges: 40,000Fc in 4 ranges and 400,000Lux in 5, data hold freezes (MIN/MAX readings), and zero function Cosine and color corrected measurements. It has low battery and overrange indication, as well as auto power off to save battery life. This meter utilizes precision silicon photodiode sensor with a 3 ft coiled cable for easy storage.