1. Measuring Range: 30-130dB

2. Accuracy: ±1.5dB (94dB @ 1KHz)

3. Resolution: 4digits & 0.1dB

4. Frequency Response: 31.5Hz - 8.5KHz

5. Frequency weighting characteristic: A

6. Overload indication: OVER/ UNDER

7. Package : slide card