Features: High sensitive six blades, fast response. Design for measuring wind speed, selection of five wind speed units. Come with and transfer, freezing tips, large LCD backlight display. Fall resistant rubber material, protect your machine, easy to disassemble. Widely applicable for wind energy, meteorology, industry, agriculture, environmental protector, airports, ports, etc. Specifications: Material: Plastics Parameter: 1. Wind Speed(5% Accuracy): ms: 0-30(Range), 0.1(Resolution), 0.1(Threshold) fts: 0-5860(Range), 19(Resolution), 39(Threshold) knots: 0-55(Range), 0.2(Resolution), 0.1(Threshold) kmhr: 0-90(Range), 0.3(Resolution), 0.3(Threshold) mph: 0-65(Range), 0.2(Resolution), 0.2(Threshold) 2. Wind Temperature: : -10 to +45(Range), 0.2(Resolution), 2(Accuracy) : 14 to 113(Range), 0.36(Resolution), 3.6(Accuracy) Size: Approx. 105x40x18mm/4.13x1.57x0.71in Note: 1xCR2032 3V battery needed.(NOT Included) Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Anemometer