Enables precise measurement of solar radiation power for the manufacture and installation of solar panels and environmental applications. Results appear in W/m2 or BTU/ft2 on a triple tier backlit display which shows a continually updated minimum, maximum or average reading. The display also shows the tilt angle and the probe features a compass for orientation. Manually or automatically records and recalls 20 data points. Comes in a protective foam lined carrying case complete with tripod screw, magnetic mount, 9V battery and instructions.