Manufacturer Part Number: 407730|Meter Type|Class 1 Sound MeterMaximum Decibel Rating|130Minimum Decibel Rating|40Frequency Weighting|A & CDisplay Type|Accuracy|2.0 dBBattery Chemistry|Battery Size|AAANumber Of Batteries|4Batteries Included|YesResolution|0.1Power Source|BatteryOverall Height|9; 230Overall Width|Overall Length|2.2; 57Includes|Standards|Series|UNSPSC Code|