- Measuring Range: 30dBA~130dBA
- Accuracy: 1.5dB
- Digit & Resolution: 4-digit & 0.1dB
- Frequency Response 31.5Hz-8KHz
- Sampling Rate: 2 times/s
- Automatic Backlight Display
- MAX/MIN Hold
- Low Battery Indicator
- Auto Power Off
- 9V Battery Operation