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Accurate measurement: the measuring range of the decibel meter is between 30 dB and 130 dB. With an accuracy of ± 1.5 dB, it is high-precision. Real-time monitoring gives you accurate data about the noise level in the environment. Capacitive microphone: uses a highly sensitive 1/2 inch condenser microphone that ensures accurate detection and measurement of noise levels in different frequencies. User-friendly design: includes a fast/slow time rating (fast: 0.125s, slow: 1s), a large backlit LCD digital display, a low battery indicator for timely warning and an automatic shut-off function (optional disabled) to extend battery life by automatically shutting off when inactive. Max/min display: Displays the highest and lowest noise levels recorded during the monitoring period and provides insights into peak noise events and background noise levels. Versatile: the decibel meter can be used in homes, factories, workshops, schools, residential areas, offices, streets, hotels, hospitals, laboratories, theatres and sound systems. The scope of application is very wide, and it is an indispensable tool in life. › See more product details