Check the listing for details. Digital Handheld Wind Speed Meter Anemometer Bluetooth Wind Chill Gauge. Condition: New. Listed at 35.93 USD. Features: Built-in temperature regulator to adjust C/F temperature Wind Speed Range: 0-30m/s; 0-5860ft/min; 0-55knots; 0-90km/h; 0-65mph Accuracy of Wind Speed: ±5% of rdg Resolution: 0.1m/s; 19ft/min; 0.2knots; 0.3km/h; 0.2mph Wind speed unit is switchable: m/s, km/h, ft/min, knots or mph Screw hole in the button can be connected a lanyard Function: 1) Wind speed & temperature measurement 2) Wind chill indication 3) ℃/℉ 4) Different wind speed measurement unit 5) Measure wind speed in: Current/Average/Max 6) Low battery warning 7) LCD back-light 8) Manual/Auto Power Off 9) Real Time Measure 10)Connect to phone Specification: Material: plastic Wind Speed Range: 0-30m/s; 0-5860ft/min; 0-55knots; 0-90km/h; 0-65mph Accuracy of Wind Speed: ±5% of rdg Resolution: 0.1m/s; 19ft/min; 0.2knots; 0.3km/h; 0.2mph Measuring temperature: -10-45℃(±2.0℃) Relative humidity: ≤90%RH Measuring wind chill: -40-10°(±2.0°) Operating temperature: -10℃~45℃(14℉~113℉) Wind speed unit is switchable: m/s, km/h, ft/min, knots or mph Thermometer: NTC thermometer Current consumption: About 3mA Response time: 1s Power: AAA 1.5V×2(Not Included) Color: show as pictures. Size: 165*85*38mm Weight: 200g NOTE: Batteries are NOT included. The tripod is NOT included. Package List: 1 x HP-866B-APP Anemometer 1 x English manual 1 x Protective bag 1 x Lanyard