GT8913 Handheld Digital LCD Hot Wire Anemometer, Battery Not Included

1. Measure current wind speed, temperature2. Measure wind speed / MAX wind flow/min wind flow3. 2 / 3 wind flow value / average value4. Wind speed/flow units and temperature units selection5. Real-time measurement when connecting USB with computer software6. Backlight and data holding( HOLD)7. Low battery indication8. Powered by rechargeable lithium-ion batteries9. Automatic shutdown setting8. 4 x AAA batteries (Not Included)