measurement with the ZL81A Digital Decibel Meter, featuring a high accuracy sensors that ensures data for effective sound Perfect for use in setting such as homes, offices, schools, hospitals, and mall to assess and maintain proper levels Equipped with a digital display, this handheld device actual time levels readings and supports a wide decibel ranges to suit various environment Ideal for family concerned about home pollution, professional like engineers and architects, as well as students conducting sound analysis Its lightweight design makes it easy to carry and use, while its replaceable battery ensures high without frequent changes, Manufacturer: NEWFT