Features: Material: The digital anemometer is made of ABS and TPE materials, durable to use, not easy to broken. Uses: Ideal tool for windsurfing, sailing, fishing, kite flying and mountaineering. Also use it for industrial and home purpose such as measuring wind speed. With Backlight: LED back light design for operation under poor illumination. Portable: This handy palm sized anemometer for convenient carrying. LCD Display: The digital anemometer has a clear LCD screen, data is very clear to read. Specifications: Item type: Digital anemometer Material: ABS + TPE Color: Black + Orange Model: PM6252A Wind speed: 0.80~30.0 m/s ±(2.0% reading + 50) 1.40~108.0 km/h ±(2.0% reading + 50) 1.30~98.50 ft/s ±(2.0% reading + 50) 0.80~58.30 knots ±(2.0% reading + 50) 0.90~67.20 mile/h ±(2.0% reading + 5) 78~5900 ft/m ±(2.0% reading + 5) Wind temperature: -20-60°C/-14-140°F Wind humidity: 0 to 100% RH Wind flow: 0~99990 CFM 0~99990 CMM 0~99990 CMS Fan blade quantity: 8 fan blades Power supply: 1Pc x 9V 6F22 battery(not included) Size: About 170 x 86 x 39mm Package includes: 1Pc x Digital anemometer 1Pc x Cloth bag 1Pc x English manual Notes: Transition: 1cm=10mm=0.39inch 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement.