【Multifunctional Digital Anemometer】This multifunctional digital anemometer can measure wind speed, temperature, and humidity. Can be widely used in wind energy, meterorology, industry, agriculture, hydrology and water conservancy, evironmental protectoin, highways, airports, etc. Low friction bearing technology, 8 blades, wider blade diameter, more accurate measurement and more sensitive response, giving you a great using experience. 【High Accurate Wind Meter】Built-in high-precision sensor and sensitivity fans for you to get a more accurate measurement. This portable wind speed guage can accurately measure air speed in 6 unit: m/s, km/h, mil/h, ft/m, ft/s, knots. Wind speed range: 0.70~30.00m/s; 2.50~108.00km/h; 2.30~98.50ft/s; 1.30~58.30knots; 1.50~67.10mile/h; 137.0~5900ft/m. Our anemometer provides fast measurement for analysis of critical environment conditions. Great wind speed tool for bad weather. 【Backlit LCD Display & Data Hold】This anemometer is equiped with large bright and clear LCD display, which makes data readings at a glance. The backlight function gives extended visibility suited to any ambient brightness. Through the built-in temperature regulator to adjust C/F temperature. Supports Wind Speed, Temperature, Humidity, Max/Min/Average, Data Hold, Backlight On/Off, Low Battery Indication, Auto Power Off after 10 minutes if there are no operation and measurement signal. 【Portable & Easy To Use】Made of high quality ABS mateial, durable and reliable. Portable size, compact and lightweight design, easy to carry and operate it. Comes with a storage bag to store the digital anemometer conveniently. It helps you keep track of wind conditions for outdoor plans and give you a safe and joyful trip. When you go windsurfing, flying kite, sailing, hiking, surfing, fishing, shooting, walking or other outdoor activities, just take our digital wind speed meter! 【Wide Application & Warranty】This digital wind speed anemometer is perfect for industrial and home purposes, like measuring speed of HVAC velometer, air conditioner and temperature of CPU. Has an easy-to-understand interface, without complicated instructions, extremely simple to use. Great for sailing, shooting, hang-gliding, drone wind speed test, or power and manufacture industrial. Intendvision offers 36-Month Warranty and friendly customer service. HT605 Digital Anemometer Portable High-Precision Air Volume Tester Wind Speed Meter Handheld Measuring Wind Speed Tools Description: This is A professional digital anemometer with stable performance, safety and reliability. It is widely used in wind energy, meteorology, industry, agriculture, hydrology and water conservancy, environmental protection, highways, airports and ports, etc. Data hold;Backlight on or off;MAX/MIN/AVG function;Temperature unit selection;Wind speed unit selection;Auto shutdown function. Specification: Material: ABS Size: 137*56*26mm Display: LCD display, maximum display 9999 Wind speed measurement: Range: 0.70 - 30.00 m/s Sampling time: about 0.5 seconds / time Sensor: impeller + bearing Data Hold: Lock display readings Operating environment: 0-40°C, maximum relative humidity of 80%, altitude <2000m Storage environment: -10-50°C, max 70% relative humidity (battery removed) Automatic shutdown: 10 minutes Power supply: 3 x 1.5VAAA(LR03) batteries (battery not included) Wind speed accuracy: <1.00m/s: ±0.7 m/s; 1.00~30.00 m/s: ±(2.0%+ 0.5m/s) Temperature range: -20.0°C - 60.0°C (-4.0°F~140.0°F) Temperature Accuracy: 0.0 °C ~ 45.0°C: ±1.0°C; Others: ±1.5°C Humidity range: 0.0% ~99.9%RH Humidity accuracy: 20%~ 80% RH: ±5.0%RH; others: ±6.0%RH Considerations: 1.Do not touch the fan blade with force. 2.Do not store or operate the instrument in areas with high temperature or humidity. 3.In use, do not let the strong light directly shine on the fan, in order to avoid measurement errors. 4.Avoid violent vibration. 5.Remove the battery before storing the instrument for a long time. Note: 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! Please allow 1-2cm measuring deviation due to manual measurement.