Features QUICK MEASUREMENT - The air flow rate thermometer is sensitive and accurate and provides a fast measurement for analysis of ambient conditions. The wind speed meter has an LCD backlight design that allows you to conveniently operate and read data in low light conditions. Backlit LCD display: The digital handheld anemometer can not only provide you the measurement of maximum/minimum wind speed, but also provide backlit LCD display, data storage function and auto shut-off function. 500 Data Storage: heat wire anemometer comes with a bag for easy carrying. Digital anemometer can be used for 500 data storage, data export to a computer or online test (provide PC software). Application: the LCD wind speed meter must be powered by 4 x 1.5V LR03 AM4 AAA batteries, which are not included in the accessories. The wind gauge is very suitable for outdoor activities such as model planes, sailing, surfing and sailing. Dimensions: anemometer size approx. 168 x 72 x 37 mm / 6.61 x 2.83 x 1.46 inches, sensor size approx. 30.5 x 310 mm / 1.2 x 12.2 inches, pull sensor size approx. 30.5 x 2000 mm / 1.2 x 78.74 inches and weight is approx. 1026 g Description: This hand anemometer is ideal for outdoor activities such as model planes, sailing, surfing, hand gliding, shooting, etc. It could not only provide you with the measurement of max/minimum wind speed, but also an LCD display with backlight, data hold function and automatic shutdown functions. Functions: 500 data storage, data export to computer or online test (provided with PC software) Comes with a bag for convenient carrying. LCD backlight for low light operation Highly sensitive and accurate measurement, provides quick measurements to analyse environmental conditions. The LCD wind speed meter is ideal for outdoor activities such as model planes, sailing, surfing, hand gliding, shooting, etc. Specifications: Colour: yellow Measurement elements: air speed, air temperature, air volume Measuring range: air speed: 0~30m/s Air temperature: 0~45℃ (32~113℉) (±2℃). Air volume: 0-99900 m³/min. Air speed/volume error: ± 3%, ± 0.1 digits. Resolution: 0.1℃, 0.001m/s Battery: 4 x 1.5V LR03 AM4 AAA battery (not included) Battery life: 20 hours (continuous). Working current: <60 mA. 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 310 mm / 1.2 x 12.2 inches. Stretched sensor size: approx. 30.5 x 2000 mm / 1.2 x 78.74 inches. Weight: approx. 1026 g. Package contents: 1 x wind gauge. 1 x manual. 1 x sensor. 1 x CD 1 x USB cable. Note: Please note that the new type and old type of this product will be sent at random and make sure you have no objection to it before ordering. Package List