*Measure Wind Speed (air velocity) & Temperature simultaneously *Choice of readings in meters/second, kM/hour, feet/min, MPH or knots *Measuring range 0 to 5860feet/min *Max/Average/Current reading function *?C/?F Temperature unit selection *Large LCD with backlight *Manual / Auto power off *Wind chill indication *With Beaufort scale *Low battery *Thermometer: NTC Thermometer *Operating Temperature: -10-45?C (14~113?F) *Operating Humidity: less than or equal to 90%RH *Storage Temperature: -40-60?C, -40-140?F *About 3mA current consumption *Power Supply: 1 x CR2032 3V Battery (included) *Size: 104.3 x 57.8 x 19.9mm *Weight: 58.9g(include battery) package content: 1 x Mini Digital Thermometer & Anemometer 1 x 3V CR2032 Button Battery (included) 1 x Neck Strap/Lanyard