... (accuracy...Air velocity unit: M/s, ft/min, knots, km/hr, ...Resolution: 0.1m/sPower: CR2032 3.0VNet weight: 52.1gSize ... .1m/s 0.2 CMeasuring unitM/s,Ft/minKnots,Km/hr,Mph *Air velocity measure range: 0.3~30m/s (accuracy ... : ±2C)*Air velocity unit: M/s, ft/min, knots, km/hr, mph *Resolution: 0.1m/s *Large LCD with backlight *Max ... .0x38.0x43.8cm *G.W of the carton: 9.56kg Pocket type Anemometer AR816+