| Product Description | |
| Specifications: | |
| LCD display: 4 digits | |
| LCD size: 2.2 inch (55 mm) | |
| Display: 0.5 secretary | |
| Measuring Level: 30 ~ 130 dB(A) (A-weighted decibels), 35 ~ 130 dB(C) (C-weighted decibels) | |
| Accuracy: ±1.5 dB | |
| Frequency Response: 31.5 Hz ~ 8.5 kHz | |
| Resolution: 0.1 dB | |
| Dynamic Range: 50 dB / 100 dB | |
| Overload Indication: OVER / UNDER | |
| Frequency Weighting Characteristic: A / C | |
| Analog Bar Graph: 1 dB / 1 bar graph | |
| Sampling Rate: 20 times / second | |
| PWM Signal Output: duty cycle = 0.01 x dB value x 100% / 3.3 | |
| Dynamic Characteristic (Time weighting): FAST(high speed) / SLOW(low speed) | |
| Calendar Accuracy: ±30 seconds / day | |
| The Maximum Value Holding: MAX | |
| Microphone: 0.5 inch polarization capacitance microphone | |
| Power Supply: 4 x 1.5V AA battery (not include)or USB Cable | |
| Power Life: about 20 hours continuous use (alkaline battery) | |
| Operating Temperature: 0 ~ 40 °C (32 ~ 104 °F) | |
| Operating Humidity: ?80 % R.H. | |
| Dimensions: approx. 256 (L) x 70 (W) x 35 (H) mm (10.1 x 2.8 x 1.4 inch) | |
| Weight: approx. 308 g | |
| Package Includes: | |
| 1 x Sound Level Meter | |
| 1 x Sponge Ball | |
| 1 x USB Cable | |
| 1 x Software CD | |