Digital anemometer wind speed meter: to measure wind speed and temperature Wind chill indication; Memory function; automatic / manual shutdown; High precision pressure sensor Wind speed range: 0-30 m / s, wind speed unit: m / s, Km / h, ft / min, knots, mph Wind temperature range: -10 - 45 (14-113 ); Storage temperature: -40 ~ 60 (-40 ~ 140 ) Air speed: Range: 0-30 m / s, 0-90 km / h, 0-5860 ft / min, 0-65 mph, 0-55 Knots Features: Large, easy LCD display to be read with backlight. Wind speed in bar graph of Beaufort wind scale. High precision pressure sensor Answer fast, external thermistor Automatic / manual shutdown Temperature display in / Wind speed range: 0-30 m / s Wind temperature range: -10 -45 centigrade (14-113 ) Current / max / average wind speed reading Wind speed unit: m / s, Km / h, ft / min, Knots, mph CE approved Specification: Powered by 3V CR2032 battery Thermometer: NTC thermometer Operating humidity: less than or equal to 90% RH Storage temperature: -40 ~ 60 centigrade, -40 ~ 140 Current consumption: about 3mA Air speed: Range: 0 -30m / s, 0 -90km / h, 0 -5860ft / min, 0 -65 mph, 0 -55Knots Resolution: 0.1 m / s, 0.3 km / h, 19 ft / min, 0.2 mph, 0.2Knots Threshold: 0.1m / s, 0.3km / h, 39ft / min, 0.2 mph, 0.1Knots Accuracy: 5% Air temperature: Range: -10 -45 centigrade, 14 -113 Resolution: 0.2 centigrade, 0.36 Accuracy: 2 centigrade, 3.6 Package included: 1 * TL017 digital anemometer 1 * 3V CR2032 Battery 1 * rope 1 * protective case 1 * User manual Note: this does not not include other things, the color is based on the first picture, and other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the color actual of the item. Due to manual measurement. Please allow deviation. Thank you!