A compact anemometer that registers wind speeds to 100 mph. Mounted in a mahogany-stained solid maple block (5.25"W x 4"H x 2"D), and factory calibrated to ±3% of full scale for accuracy. Self-powered by rooftop sensor, with white graphics on black dial for excellent readability. Can be wall mounted or set on horizontal surface. Ships complete with 60' cable, wind speed sensor and mounting hardware.