This is an air speed and air temperature meter. Small and handy.
Wind speed range: 0 ~ 30m/s, 1,4~90 km/h, 0~5860 ft/min, 0~55 Knots.
Accuracy: +/- 5%
Temperature range: 0°C ~ 45°C / 14°F ~ 113°F
105 x 40 x 15mm
0.2o C, 0.2m/s
Parts as depicted in the photos.