Handheld Land Area Meter 2.4 Voice Prompts GPS Land Survey Measuring Instrument
Area Accuracy: ± 0.005acres (0.16-0.5acres), ± 1% (over 0.5acres) (when HDOP is below 1.0). Using a six star system with global coverage. Positioning Accuracy: Approx. 2.5m / 8.2ft. Receiver Antenna: Passive large sized planar antenna.