Display: 5digital, 18mm LCD

 Range: 2.5~99999 RPM

             0.05~1666 Hz

             1~99999 Count

Resolution: 0.1 RPM (2.5~999.9RPM)

                    1 RPM (above 1000RPM)

                    0.01Hz (0.05~99.99Hz)

                    0.1Hz (above 100Hz)

Accuracy: ± (0.05%+1digital)

Sampling Time: 0.8second (over 60RPM)

Memory: Max. value, Min. value,
Last value. Can store 96s data.

Range Select: Auto-range

Time Base: 6MHz Quartz crystal

Detecting Distance: 50mm-500mm

Dimension: 155*70*35mm

Power: 3×1.5V AAA battery