Features This is a digital anemometer for measuring wind speed and wind temperature. Great tool for windsurfing, sailing, fishing, kite flying and climbing. This handy sized anemometer with shoulder strap is easy to carry. LED backlight design, can operate in low light conditions, current/max/average wind speed readings. It can also be used for industrial and domestic use, such as measuring wind speed, temperature of CPU computer fans, blowers. Features: -This is a digital anemometer for measuring wind speed and wind temperature. -Great tool for windsurfing, sailing, fishing, kite flying and climbing. -This handy sized anemometer with shoulder strap is easy to carry. -LED backlight design, can operate in low light conditions, current/max/average wind speed readings. -It can also be used for industrial and domestic use, such as measuring wind speed, temperature of CPU computer fans, blowers. Specifications: Thermometer: NTC Temperature Measuring Range: -10℃ ~ 45℃ (14℉~113℉) Resolution: 0.2℃, 0.36℉ Accuracy: ±2℃, ±3.6℉ Operating Humidity: Less than or equal to 90% RH Storage Temperature: -40℃ ~ +60℃ ( -40℉ ~ 140℉) Battery Type: 3V CR2032*1PCS Length: 11.8cm/4.65in Weight: 110g(approx.) Package Includes: 1 x Anemometer 1 x Battery Package List