The Extech EasyView Wide-Range Light Meter measures up to 40,000 foot-candles in four ranges and 400,000 lux in five ranges with and plusmn;3 percent accuracy ideal for outdoor use. It features a compact and rugged design with a large display and analog bargraph to view trends. Peak mode captures short light pulses to 100 and micro;s. Relative function zeroes the sensor or can be used to display the difference from a reference value. Additional functions include data hold, min/max, and auto power off. Comes complete with built-in stand, remote sensor with protective cover and 39-inch (1-meter) coiled cable, protective rubber holster, six AAA batteries, and carrying case. Model EA30-NIST is also available with a NIST traceable Certificate of Calibration.