DUKA Decibel Meter Portable Digital Sound Level Reader Audio Noise Measure Device 30-130dBA with LED Display Backlight Alarm Data Hold Function

Features:
Multifunctional decibel meter, suitable for noise engineering, quality control and various environmental noise measurement, such as in factories, offices, homes, etc.
High-clear LED display, with backlight, can check the value even in dark conditions. The operation panel is simple and easy to use.
Custom set the decibel alarm value. When the measured value exceeds the preset value, the machine will flash the backlight to alarm.
Condenser microphone, built-in high performance sensor, three-layer sensitive conductive layer, metal cover is safe and anti-drop.
The microphone is designed with a windproof sponge to filter the interference of wind, with higher measurement accuracy and more accurate values.
The noise meter can record the maximum and minimum values, supports data retention and automatic shutdown functions, which is convenient and practical.