Features 【ACCURACY】: A professionally manufactured 2-in-1 digital anemometer with six-blade design and low-friction bearing technology, which can be used to accurately measure wind speed and temperature, wind speed range: 0.3-30m/s, accuracy: ±5%, temperature range : 0℃-50℃/32F~122F, fast response, quick measurement data. 【USE】: Standard manufacturing, non-slip design, this anemometer is easy to hold in the hand, ergonomically designed, comfortable and natural, the probe can be rotated 180 degrees to meet the measurement needs of different angles, very suitable for indoor and outdoor testing in various environments, One-key operation, easily switch the desired measurement mode. 【FLEXIBLE】: With backlit LCD display, support current, average, maximum wind speed reading selection, measure wind speed in 5 units: m/s, km/h, ft/min, kts, mph, temperature can display ℃/℉, digital The anemometer can be read clearly even in poor light or dark environments. 【APPLICATION】: Built-in high-precision sensors and high-sensitivity fans, this digital anemometer can be widely used in indoor air conditioners, fans, outdoor windsurfing, sailing, weather stations, HVAC system testing, shooting, sailing, surfing, fishing, Outdoor activities such as hiking. 【MAINTENANCE】: The sturdy casing made of high quality material protects the wind speed meter from wear and tear, when there is no key operation for a period of time, the meter will automatically shut down to save power, providing an ideal speed measurement tool for analysis of critical environmental conditions, data retention function to adapt more occasion test. Specificatio n: Model: AS816 Resolution  0.1m/s Auto Power Off  yes Power  3*1.5 AAA Battery (not included) Product Weight / Size    117g /162*47*25mm LCD display          Wind / temperature measurement range: Unit  Range Resolution Accuracy ℃ 0.0 ℃ -45.0 ℃ 0.2   2 ℃ ℉ 32.0 ℉-113.0 ℉ 0.36                         3.6 ℉ Current consumption   20mA                            Weight      59g (not including battery) Battery     3V (2*AAA) Unit         Range   Resolution Threshold       Accuracy     m/s 0~30 0.1 0.3 ±5% Knots 0~55 0.2 0.1 Km/h 0~90 0.3 0.3 Mph 0~65 0.2 0.2 The operating environment:  humidity: 40% ~ 85%  Storage environment: humidity: 10% ~ 90% temperature: - 20 ℃ ~ 60 ℃ (140 ℉ - 4 ~ ℉) Package list: 1 * Anemometer 1 * Probe 1 * User manual 1 * CE  Certification Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product. Package List