Features:brand new and high qualityThere are 2 types, UT363 & UT363BT, UT363BT with blue-teeth function and backlit, UT363 without.Magnetic induction type wind speed sensor and N-TC negative temperature coefficient sensor.12 Winds Article dynamically indicating eliminates the trouble of complicated conversion.Dual display of wind speed and temperature.Light weight, small size makes this Wind Guage Meter easy for you and your family to take outside for outdoor actitivities.It is widely used in mining, electric, iron and steel, petrochemical, energy saving,navigation, fan manufacturing, exhaust ventilation, sporting and many more industries. Specifications:Material: Plastic Size: 16x5.2cm/ 6.3x2.05 inDisplay: LCD DisplayWind Speed Range: 030m/s, 1.4108km/h, 0.758knots, 0.867mph, 785905ft/minWind Speed Unit: for m/s, Knots, for km/h, mph, ft/minWind Scale: 012Accuracy: 5%rdg + 0.5Temperature Range: -1050C / 14122FResolution: 0.1C / 0FAccuracy: 2C / 4FAuto Power Off: 5minSampling Rate: 0.5sOverload Indication: O-LAltitude: Max.2000mOperating Temperature: 23C5C(80%RH)Storage Temperature: -2060C(