Features: 1. This handy sized anemometer with a rope are convenient to carry and LCD design for operation under poor illumination. 2. Design of seven-leaf wind vane makes measurement more sensitive and accurate. 3. It can be applied to daily environmental monitoring in residential area, family, workshop and workplace. 4. The anemometer is ideal for weather enthusiasts or professionals to accurately measure wind speed. 5. Can perform accurate weather measurements in seconds, can test minimum wind speed, maximum wind speed. 6. It also Features some other functions include: wind temperature, automatic shutdown, 6 unit conversion. 7. It is ideal for fishing, fan manufacturing and kite flying. You can also use it for industrial and household purposes, such as measuring the speed and temperature of CPU computer fans, air conditioners, and airflow on roofs or wall. Specification: Condition: Item Type: Anemometer Material: Plastic Battery: 1 x 3V Button Battery (not included) Wind Speed Measuring Range: 0.3-30m/s Wind Speed Measurement Error :±5% Wind Speed Resolution :0.1m/s Temperature Measurement Range: -10° c-45 °C Temperature Measurement Error: ±2°C Temperature Resolution: 0.2°C Size: Approx. 12.5 x 4.7 x 2cm / 4.9 x 1.9 x 0.8in Weight: Approx. 111g / 3.9oz Package List: 1 x Anemometer 1 x Instruction Features Convenient handheld design: Compact and portable with a rope for easy carrying, featuring an LCD for operation in low-light conditions, ensuring convenience and ease of use for on-the-go wind measurement. Sensitive seven-leaf wind vane design: Provides precise and sensitive wind speed measurement, enhancing accuracy and reliability for various applications such as weather monitoring and outdoor activities. Versatile environmental monitoring: Suitable for daily environmental monitoring in residential areas, workshops, and workplaces, offering flexibility and usability for a wide range of settings. Accurate weather measurements: Ideal for weather enthusiasts and professionals, enabling precise measurement of wind speed, including minimum and maximum wind speed, ensuring accuracy and reliability in weather data collection. Multi-functional usage: Offers additional Features including wind temperature measurement, automatic shutdown, and 6 unit conversions, catering to diverse needs for activities such as fishing, fan manufacturing, and industrial or household purposes.