This anemometer can measure wind speed and temperature at the same time. It can be applied to various situations, such as surfing, fishing, and kite flying.   Features: Compact and Lightweight. Easy to Carry. Measuring wind temperature and speed.  Wind Temperature Range: -10 - 45 Centigrade; Storage Temperature: -40-60 Centigrade.  Air Velocity Range: 0 - 30m/s; 0 - 90km/h; 0 - 5860ft/min, 0 - 65mph, 0 - 55Knots.  Auto/ Manual Power Off and low battery indication.  The LCD backlight screen makes it easier to read in dark conditions, perfect for windsurfing kite flying, sailing, surfing, and fishing.  Specifications: Name: Anemometer;  Material: ABS;  Color: Black;  Battery: CR2032 cell battery( not included);  Wind Temperature Range: -10 - 45 Centigrade; Storage Temperature: -40-60 Centigrade;  Air Velocity: Range: 0 - 30m/s; 0 - 90km/h;0 - 5860ft/min； 0 - 65mph；0 - 55Knots;  Anemometer Size: 104*40*20mm;  Anemometer Weight: 52g;   Package information: Size: 150*48*180mm;  Weight: 102g;   Package list: 1* anemometer;  1* manual;  1* lanyard;  Note: * There could be a few deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding.