Nutronics RM-20L 0-9999 RPM Digital RPM Indicator

odel No: RM-20L
Type: Digital RPM Indicator
Range (RPM): 0-9999 RPM
Accuracy: ?1 RPM
Resolution: 1 RPM, 0.1 RPM(optional)
Frequency: 50/60 Hz
Power Supply: 230V AC  10%
Display: 4 Digit, 12.5 mm , 7 Segment RED LED Display
Dimension: 48x96x110 mm