SHREEHARI Digital Sound Level Meter with Battery.30-130 DB Meter.Pocket Type (White) Sound Meter

Measurement Range 35-130 db,ACCURACY.+/-1.5dB MAX/MIN Function,Low Cost High Performance Resolution 0.1 dB Features:Wide dynamic rangeCompact and pocket-sizeInstantaneous Sound Measure FunctionAutomatic Backlit DisplayDigital Display with Auto RangeUses dBa as unit of measurement±1.5dB high accuracyEasy one-hand operation with 1-button operationMaximum Hold functionLow battery indicationAuto power off design for energy savingLarge and clear LCD screen 9V battery operation It can use for sound quality controller It provides a reliable, accurate and fast way to measure sound level It can measure both A and C frequencies to get the right response for the human ear.