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Built-in electric condenser microphone
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Measurements from 54 to 126 dB in 7 ranges
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Manual ranging
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Analog scale with needle indicator
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Selectable fast/slow response
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Selectable A/C weighting
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Easy calibration adjustment
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Max Hold button to lock peak values
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Low battery checker
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Analog output for connection to recorders, data loggers, etc
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Threaded insert for tripod mount
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Switch settings: 60 dB (54-66 dB); 70 dB (64-76 dB); 80 dB (74-86 dB); 90 dB (84-86 dB); 100 dB (94-106 dB); 110 dB (105-116 dB); 120 dB (114-126 dB)