LEERCHUANG is a diverse brand integrating industry measuring tools, garden products and home improvement equipment. ?Wide Application?This sound meter designed to meet the measurement requirement of sound quality control in various environment. Ideal for testing music recording, neighbor noise complaints, industrial settings, office settings, speech therapy more. the Decibel sound meter is an instrument used to measure the ambient sound level, such as sound level around factories, workshops, schools, residential, road, audio etc. ?High Accuracy? Measurement range: 30-130dBA, accuracy: 1.5dB, resolution: 0.1dB, there will be a warning sign when the standard exceeds the standard. Larger legible LCD display with backlight, which can show the measurement quickly, clearly and easy to read. ?User Friendly Design?Sound meter features backlight alarm, large LCD display, maximum/ minimum noise monitor, data hold function, auto/manual power off, disable the auto off function, sound level meter can continuously measure noise value, battery indication. ?Packing List?This portable sound level meter is light and compact, easy to carry with you and operate with one-hand. And package included: 1 x sound meter; 3 X 1.5v batteries; 1 x Wind resistant sponge ball; 1 x Operation Manual. ?Buy With Confidence?The decibel meter comes with a wind-proof sponge ball and user manual, which has been well calibrated before delivery. If you have any problem or suggestions about our decibel meter, feel free to contact with us. We provide 7*24 hours technical support and customer service.