Measurement Range:
+ 0.8~30.0 m/s (meter per second)
+ 2.8~108km/h (kilometers per hour)
+ 1.6~58 knots (nautical miles per hour)
+ 160~5900ft/min (feet per minute)
+ Resolution: 0.1m/s,0.1km/h,0.1knots,10ft/min
+ Accuracy: Full scale +/-(3%+2dgts)
Power Requirement:
+ 1 piece 9V battery
+ Dimensions: 4.3"x2.9"x1.4" (180x73x23mm)
+ Round sensor head 2.83 (72mm) diameter
+ Weight: 9.2 oz(260g)
+ Accessories: Sensor probe, battery and owners manual.