Features 1、Wide range of application, suitable for aviation industry, marine operations, environmental monitoring, etc. 2、Mini size, it has compact and lightweight design, easy to carry, very convenient for you. 3、Large easy‑to‑read LCD display with white backlight, easy to use in the situation of strong light and dark night. 4、Made of high quality plastic material, durable and reliable, good workmanship, very practical. 5、Used for wind speed, temperature and humidity measurement. It has functions such as fan measurement and unit conversion. Specification 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. Package List 1 x Instruction Manual 1 x Canvas Bag 1 x Lanyard 1 x Digital Anemometer(Battery Not Included)