Digital LCD Portable Wind Speed Measuring - Air Velocity Meter

Digital LCD Portable Wind Speed Measuring - Air Velocity Meter This Air Velocity Meter  is portable and useful for measuring Air Velocity (wind speed) ,it also can show you the ambient temperature. LCD display with backlight, it is easy to read value at night.Features:  This portable anemometer is a helpful measuring meter for wind speed and temperature measurement. Wind speed unit is switchable: m/s, km/hr, knots or mph. Temperature unit is switchable: Celsius(℃) or Fahrenheit(℉). Maximum, minimum and average Air Velocity value measurement function. Data holding and the current wind speed selection. LCD display with backlight ON/OFF, easy for reading. Low battery indication, automatic & manual power off function. Compact and light, convenient to hold and carry. It is suitable for measuring wind speed when generating windmills, ensuring safe navigation and making better use of wind power to generate electricity.   Specifications:  Model number: ST9606 Color: Black Material: ABS  Air Velocity Range: 0.3～30m/s, 0.6～58knots; 1～108km/h; 0.7～67mph Air Velocity Unit: m/s, Knots, km/h, mph Resolution: 0.1m/s; 0.2knots; 0.3km/h; 0.2mph Accuracy: ±5%rdg±0.1 Temperature Range: 0～50℃ / 32～122℉ Resolution: 0.1℃ / 0.1℉ Accuracy: ±2℃ / ±3.6℉ Operating Temperature: 0-50℃ (≤80%RH) Storage Temperature: -10-50℃ (0~90%RH) Power Supply: 3* 1.5V AAA Batteries (Not Included) Item weight: 90g/0.2lb Item size: 16.5*5*2.7cm/6.5*1.97*1.06in Package weight: 131g/0.29lb Package size: 19.5 * 7.5 * 3.5cm/7.68*2.95*1.38in NOTE: Please don't store it at high temperature or humidity, high concentration salt or sulfur environment. If don't use it for a long time, please take off the battery to prevent leakage of battery. Please allow 1-3cm differences due to manual measurement. Package list: 1 * Digital Anemometer 1 * User Manual(English)