Laser Tachometer

Measuring Range: 2.5 - 99,999 rpm
Resolution: <1000rpm = 0.1rpm
>1000rpm = 1rpm
Accuracy: <1000rpm = (1% = 5d)rpm
>1000rpm = (1% = 5d)rpm
Measuring Distance: 50-500mm
Power Supply: 2 x AAA battery
Dimension: 56 x 30 x 127mm
Weight: 106g