Features ACCURATE MEASUREMENT - High sensitivity and accuracy measurement, provide quick measurement for environmental condition analysis. WIDE APPLICATION - Ideal for outdoor activities such as airplane models, sailing, surfing, delta wing etc. 500 Data Storage: 500 data storage, data export to computer, or online test (provided with PC software). CLEAR LCD DISPLAY - LCD backlight design for low-light operation. Convenient Storage Bag: The digital anemometer comes with a bag for convenient carrying. Description: This handheld anemometer is ideal for outdoor activities such as model planes, sailing, surfing, delta wing, shooting, etc. It could not only provide you with the maximum/minimum wind speed measurement, but also an LCD display with backlight, data hold function and automatic shutdown functions. Specifications: Colour: Yellow Measuring elements: air velocities, air temperature, air quantity Measuring range: Air speeds: 0~30m/s Air temperature: 0~ 45℃(32~113℉)(±2℃) Air volume: 0-999900m³/min Air speeds/Volume error: ± 3%, ± 0.1 dgt Resolution: 0.1°C, 0.01m/s Battery: 4 x AAA LR03 AM4 1.5V batteries (included) Battery life: 20h (Continuous) Working current: <60mA Data communication: USB Data Storage: 500 Anemometer size: approx. 168 x 72 x 37 mm/6.61 x 2.83 x 1.46 inches Sensor size: approx. 30.5 x 310mm/1.2 x 12.2 inches Stretched sensor size: approx. 30.5 x 2000 mm/1.2 x 78.74 inches Weight: approx. 1040 g Package includes: 1 x Anemometer 1 x Manual 1 x Sensor 4 x AAA LR03 AM4 Batteries 1 x CD 1 x USB Cable Package List