| Measuring range | 30dBA~130dBA |
| Accuracy | ± 1.5 dB (94dB@1KHz |
| Frequency range | 31.5Hz~8KHz |
| Frequency weighting | A |
| Digital Display | 4digits |
| Resolution | 0.1dB |
| Sample rate | 2 times/second |
| Microphone | 1/2 inch electret condenser microphone |
| Power supply | 9V Battery |
| Power life | About 30 hours (alkaline battery) |
| Operating condition | 0~40℃，10~80%RH |
| Storage condition | -10~60℃，10~70%RH |
| Weight | 144g (including battery) |
| Dimension | 57*26*149mm |
