Feature:1. MAIN PURPOSE: This meter can be used to measure wind speed and temperature, with 5 units selection of m/s, km/h, ft/min, knots and mph.2. LCD DISPLAY: LCD screen is used to display the current, average and maximum wind speed, and display the temperature of and .3. MULTI FUNCTIONS: With LCD backlight display, manual and automatic power off, freezing and low power prompt, and charging status display.4. WITH BATTERY: The digital anemometer is equipped with CR2032 lithium manganese button battery, suitable for long term operation.5. EASY OPERATION: The wind speed thermometer is portable, and the button operation is convenient, can be used anytime and anywhere.Specification:Item Type: Digital AnemometerProduct Size: Approx. 10.5 x 4cm / 4.13 x 1.57inProduct Material: Plastic, Electronic ComponentsPower Supply: CR2032 Lithium Manganese Button BatteryRated Voltage: 3VNominal Capacity: 240mAhWorking Temperature: -20-60.Package List:1 x Digital Anemometer