Description Features: Measure wind speed and temperature. High precision pressure sensor. Quick response, external thermistor. Wind speed range: 0-30m/s. Wind speed unit: m/s, Km/h, ft/min, Knots, mph. Current/max/average wind speed reading. Descriptions: Temperature display in /. Wind temperature range: -10 - 45C (14-113F) Large easy-to-read LCD display with backlight. Data hold function. Auto/manual power off. Specifications: Air Velocity: Range: 0 - 30m/s, 0 - 90km/h, 0 - 5860ft/min, 0 - 65mph, 0 - 55Knots Resolution: 0.1m/s, 0.3km/h, 19ft/min, 0.2mph, 0.2Knots Threshold: 0.1m/s, 0.3km/h, 39ft/min, 0.2mph, 0.1Knots Accuracy: 5% Air Temperature: Range: -10 - 45, 14 - 113 Resolution: 0.2, 0.36 Accuracy: 2, 3.6F Thermometer: NTC Thermometer Operating Temperature: -10~45 (14~113) Operating Humidity: less than or equal to 90%RH Storage Temperature: -40~60, -40~140 Current Consumption: About 3mA Item Size: 105 * 60 * 20mm Packing content: 1 * Anemometer 1 * Lanyard 1 * Button Battery