1Wide range of application, suitable for aviation industry, marine operations, environmental monitoring, etc. 2Mini size, it has compact and lightweight design, easy to carry, very convenient for you. 3Large easytoread LCD display with white backlight, easy to use in the situation of strong light and dark night. 4Made of high quality plastic material, durable and reliable, good workman, very practical. 5Used for wind speed, temperature and humidity measurement. It has functions such as fan measurement and unit conversion. Item Type: Digital Anemometer Material: Plastic Color: Blue Power Supply: CR2032 3V (Not included) Measuring Range: 0 to 30m/s Resolution: 0.1 Wind Speed Unit Selection: m/s, ft/min, knots, km/h, mph. Temperature Measurement Range: -10 to 50(14 to 122) Application: Used for wind speed, temperature and humidity measurement. 1 x Instruction Manual 1 x Canvas Bag 1 x Lanyard 1 x Digital Anemometer(Battery Not Included) Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.