Display:5 digits, 18mm (0.6-inch LCD screen) Large LCD displaying
Test Range: 2.5 to 99,999 RPM (r/min)
Resolution: 0.1 RPM (2.5 to 999.9 RPM)
1 RPM (over 1,00O RPM)
Accuracy:(0.1%+1 digit)
Detecting Distance:50 to 500 mm
Auto shutdown if inactive after 60 seconds