Contact And Non-Contact Tachometer, Range: Surface Speed (Contact): 1 - 9999.9 M/MINT, 3 - 30,000 FT-MINT, 1 - 10,000 YD-MINT, Resolution: RPM Unit: 0.001,0.01,0.1,1, M-MINT Unit: 0.0001,0.001,0.01,0.1, Ft-MINT Unit: 0.0001, 0.001, 0.01, 0.1: YD-MINT Unit: 0.0001, 0.001, 0.01, 0.1, Rpm Range: Rotation (Non-Contact): 10 - 99999 RPM Rotation (Contact): 10 - 19999 RPM, Accuracy: Plus- Minus (0.1 PCT Of RDG + 2 Digit), Display: LCD With 15 MM Height X 33 MM Width, Working Distance: 5 - 30 CM (Non Contact), Parts Included: Meter, 9 V Battery, Cone And Funnel Contact Tips, Reflective Tape And Users Manual, Measuring Units: M, FT, YD, Dimensions: 266.6 MM Length X 177.8 MM Width X 81.28 MM Height, Battery: 9 V, Power Consumption: 5 MICAMP (Idle), 18 MILAMP (Measurement), Operating Temperature: 0 - 50 DEG C, CE Certified