Large Range: Measurement range: 30.0~130dBA; Accuracy: ± 1.5dB.
Maximum/Minimum Value: Press the "MAX" key lightly to lock the maximum value, and press the "MIN" key lightly to lock the minimum value.
High Definition Large Screen Display: The display screen has a white background light, so there is no need to fear working in the dark.
Time Weighting: Lightly press the "F/S" button to switch between fast (FAST) and slow (SLOW).
High Precision Sensor: Highly sensitive 1/2-inch capacitive microphone with high precision, high sensitivity, and fast instantaneous response characteristics.