Manufacturer Part Number: R7050|Tachometer Type|Non-ContactAccuracy|0.05%Display Type|LCD; DigitalMinimum Measurement|2Maximum Measurement|99,999Minimum Resolution|0.1Maximum Resolution|1Meter Width (mm)|Minimum Target Distance|1.6ftMaximum Target Distance|1.6ftBattery Chemistry|AlkalineBatteries Included|Battery Size|9VNumber Of Batteries|1Meter Length|6.3inMeter Thickness|1.5inMeter Width|1.5inSensor Type|Diameter|1.5inIncludes|Photo Tachometer; Reflective Tape; Soft Carrying Case; BatteriesUNSPSC Code|41112802