This handheld anemometer is ideal for outdoor activities such as model aircraft, sailing, surfing, hand-gliding, shooting and so on. It could not only provide you with max/min wind speed measuring, but also LCD display with backlight, data hold function and auto power off functions.Features:Small size, lightweight and portable.This portable hand size anemometer with strap for convenient carrying.LED back light design for operation under poor illumination.High sensitive and accurate measuring, provides fast measurement for analysis of environment conditions.Ideal for outdoor activities such as model aircraft, sailing, surfing, hand-gliding, shooting and so on.Specifications:Air Velocity:Units of Air Velocity: m/s, Km/h, ft/min, mph, KnotsRange:0 - 30 m/s, 0 - 90 km/h, 0 - 5860 ft/min, 0 - 65 mph, 0 - 55 KnotsResolution: 0.1 m/s, 0.3 km/h, 19 ft/min, 0.2 mph, 0.2 KnotsThreshold: 0.1m/s, 0.3 km/h, 39 ft/min, 0.2 mph, 0.1 KnotsTemperature Range: -10~45(14~113)Accuracy: 5%Air Temperature:Color: YellowRange: -10-45 (14 -113)Storage Temperature: -40~60, -40~140Resolution:0.2, 0.36Accuracy:2, 3.6Input Current: 3mAOperating Humidity: 90% RHBattery: 1 x 3V CR2032 Battery (Included)Anemometer Size: Approx. 10.5 x 5.8cm / 4.13 x 2.28inchWeight: Approx. 106gPackage Included:1 x Digital Anemometer1 x Hanging rope1 x 3V CR2032 Battery