Features: Accurate Measurement This anemometer ensures precise wind speed, temperature andhumidity measurements, guaranteeing realistic data. Color Screen Display Equipped with a screen that displays measurement result in color, providing clear and easy to read information. Suitable User Suitable for professional in automobile maintenance, inspection, and environmental work. Wide Rangings of Applications Besides measuring wind speed, used for airflows assessment, system testing, and more. Convenient and Light Weight With its lightweight and Handhelds designs, it is easy to carry and operate in various environment. Specifications: Material:ABS Maximums / Minimums reading function Data hold function Low battery warning, Automatic shutdowns Wind speed: 0.8-30m/second Resolution:0.01m/second,0.1°C Environment Temperature:-20°C-60°C (-4°F-140°F) DewsPoint Temperature:-50°C-60°C (-58°F-140°F) Wet Bulb Temperature:-20°C-60°C (-4°F-140°F) Humidity0-99% Power:3pcs AAABattery (not included) Size:Approx.252mm/9.92''x84mm/3.31''x33mm/1.29'' Package Includes: 1x Digital Anemometer note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.