Display:5digital, 18mm (0.7" yellow green backlight LCD)

Accuracy: ±(0.05%+ldigital)

Sampling Time: 0.8second (over 60RPM)

Range Select: Auto-range

Time Base: Quartz crystal

Detecting Distance: 50mm-500mm (photo)

Dimension: 210×74×37mm

Power: 4×1.5V AA size battery or 6V direct current stable voltage power.

Power consumption: approx. 65mA