High Precision Output Levels Enjoy the flexibility of two output levels 94dB and 114dB to cater to various sound measurement needs. This versatility allows calibration with A, B, C, or D weighting networks, as well as linear options, ensuring precise readings in any setting Calibration at Its Best Our sound meter comes calibrated to produce 94dB at sea level, giving you confidence in its accuracy right out of the box. Say goodbye to uncertainties and measure with trust Universal Microphone Fit Designed to accommodate both inch and 1inch microphones, this sound meter provides the ultimate convenience for professionals using different equipment. Additionally, it includes a inch adapter for easy compatibility Longlasting Battery Life With an impressive battery life of approximately 100 hours, you can rely on this sound meter for extended periods without worrying about frequent replacements. Carry on with your work without interruptions Conforms to IEC942 Class 1 Standards Your pursuit of precision is assured with this sound meter, as it meets the rigorous standards of IEC942 Class 1. Now you can measure with confidence and make informed decisions based on reliable data