1.Special function: Auto power off; 2.Data hold; MAX and MIN; 3.Back light , Dimension:157 x 60 x 30mm , Weight: 180g Temperature/Vane Anemometer Measure: m/s, km/h, fpm, mph, kts, Beaufort scale, °C, °F Resolution: 0.1 m/s, 1 fpm, 0.1, 0.1°F Range: 0.420 m/s, 804000 fpm Sample Rate: 0.5sec Operating temperature: -10~50, 14~122°F Special function: Auto power off; Data hold; MAX and MIN; Back ...