Features: Bluetooth function is added for data transfer and analysis on mobile App. It is widely used in mining, electric, iron and steel, petrochemical, energy saving,navigation, fan manufacturing, exhaust ventilation, sporting and many more industries. Magnetic induction type wind speed sensor and NTC negative temperature coefficient sensor. 12 Winds Article dynamically indicating eliminates the trouble of complicated conversion. Dual display of wind speed and temperature. LCD display with backlight, easy for reading. Specifications: Model: UT363 BT Material: ABS Color: red Display: LCD Display Wind Speed Range: 0～30m/s, 1.4～108km/h, 0.7～58knots, 0.8～67mph, 78～5905ft/min Wind Speed Unit: m/s, Knots, km/h, mph, ft/min Wind Scale: 0～12 Accuracy: ±5%rdg + 0.5 Temperature Range: -10～50°C / 14～122°F Resolution: 0.1°C / 0°F Accuracy: ±2°C / ±4°F Auto Power Off: 5min Sampling Rate: 0.5s Overload Indication: OL Altitude: Max.2000m Power Supply: 3 x 1.5V AAA Batteries (Not Included) Operation System: for Andriod 4.3, for ios 8.4, Bluetooth 4.0 or more Size: (Approx) 16x5.1x2.7cm Package Included: 1 PC x Digital Anemometer 1 PC x User Manual Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.