Feature: 1. HIGH ACCURACY MEASUREMENT: Anemometer use advanced measurement technology to provide accurate wind speed measurement data, ensuring that you can obtain accurate and reliable results 2. MULTI FUNCTIONAL DESIGN: In addition to measuring wind speed, anemometers can also provide other wind related data, such as temperature and humidity, to help you get a complete picture of environmental conditions 3. EASY TO USE: The handheld anemometer is compact in design and easy to operate, whether you are a professional or an ordinary user, you can use at ease 4. WIDE APPLICATION: Wind speed anemometer is suitable for a variety of scenarios, including outdoor activities, indoor measurements, and industrial applications 5. EXCELLENT PERFORMANCE: The cordless anemometer feature a six blade design for more sensitive and accurate measurements. HD white backlit numbers are clearer and soft adhesive keys are more comfortable. With long lanyard, easy to carry, also with soft rubber protective cover Specification: Item Type: Anemometer Material: ABS Battery Type: Lithium manganese battery Battery Model: 1 x CR2032 Battery Capacity: 220mAh Wind Speed Measurement Range: 0.3-30m/s Wind Speed Measurement Error: 5% Wind Speed Resolution: 0.1m/s Temperature Measurement Range: -10-45 Temperature Measurement Error: 2 Temperature Resolution: 0.2. Package List: 1 x Anemometer 1 x Battery