General description Measure wind speed and temperature with the Digital Anemometer GM816. This instrument features a large, easy-to-read LCD display with a backlight, making it convenient to use in various lighting conditions. It includes a Beaufort wind scale bar graph for visual representation of wind speed, wind chill indication, and a data hold function for capturing readings. Technical specifications Wind speed range: 0-30 m/s Wind temperature range: -10 to 45℃ (14 to 113°F) Temperature display: ℃/F Wind speed units: m/s, Km/h, ft/min, Knots, mph Powered by a 3V CR2032 battery Measurement allowed error: +/- 1-3 cm Material: ABS Color: yellow Other information High precision pressure sensor Quick response with external thermistor Auto/manual power off feature Package Contents: 1 x Anemometer (other products not included) Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.