Feature: 1. 5 Measuring Units: This anemometer accurately measures wind speed in 5 units, wind speed ranging from 0‑45m/s, 0‑8804ft/min, 0‑88 knots, 0‑140km/h, 0‑100mph, with high accuracy. 2. Wind Sensor: Equipped with an expandable wind sensor, the anemometer can be separated from the sensor, helping you easily read in difficult to reach areas, and can be extended to 2.3 meters. 3. Digital Display: This anemometer is designed with a digital display and is equipped with a large backlight screen, which is clear and intuitive. Convenient for outdoor use and adaptable to various environments. 4. Wide Application: This handheld anemometer is very suitable for HVAC, sailing, windsurfing, drone flying, kite flying, rowing, shooting, and other projects, making it convenient and practical. 5. Other Functions: CMM air flow rate range is 0‑999900FT³/MIN, CMM range is 0‑999900M³/MIN. Supports wind temperature measurement at 0‑45℃ (32‑113℉) and humidity measurement at 10%‑90% RH. Specification: Item Type: Digital Anemometer Material: ABS Battery: 1 x 3.7V Polymer Battery, Capacity: 1000mAh (Built in Battery) Air Flow(CFM) Range: 0-999900FT³/MIN, Accuracy: 0.1-100, Area: 0.001-9999FT² Air Flow(CMM) Range: 0-999900M³/MIN, Accuracy: 0.1-100, Area: 0.001-9999M² Wind Speed: 0-45m/s, 0-8804ft/min, 0-88 knots, 0-140km/h, 0-100mph Wind Temperature: 0-45℃, 32-113℉. Package List: 1 x Anemometer 1 x Probe 1 x USB Cable 1 x User Manual 1 x Storage Box