Wireless sound level meter with app data logging 0~130 dB portable Bluetooth sound level meter high accuracy <ul class="a-un0rdered-list a-vertical a-spacing-mini"> <li class="a-spacing-mini"> <div data-slate-n0de="element"><span data-slate-n0de="text">【Data Logger】The sound level meter is capable of recording up to 20,000 data points, allowing detailed monitoring and analysis of decibel levels. ✅【High Precision】The wireless decibel meter can accurately measure sound levels in the range of 30 to 130 dBA with an accuracy of ±1.5 dB and a resolution of 0.1 dB. ✅【Calibration Mode】The wireless decibel meter has a calibration function with a standard sound source of 94 dB at 1 kHz. ✅【Widely Use】This sound level meter has a compact structure, complete functions and is easy to carry. It is widely used in classrooms, homes, offices, workshops, etc. </span></div> </li> </ul>