Key features

• •【High Accuracy】Measurement range is 30~130dB, accuracy: +/-1.5dB, frequency response range. 50Hz-8.5KHz; Humidity range: 20-85%, accuracy: +/-5%; Temperature range. 14-122℉, accuracy: +/-5%. It is more sensitive, accurate and stable
• •【Large 11-inch LED Display】This large decibel meter features an 11-inch LED display with adjustable brightness. Its four-in-one functionality meets diverse needs, displaying real-time sound level decibels, temperature (switchable between Fahrenheit and Celsius), humidity, and time.
• •【Easy Operation】This decibel meter features a built-in 2000mAh lithium battery and comes with a 3-meter USB flash drive. Simply open the cover to start using it. Tap "▲" to increase brightness, tap "▼" to decrease brightness, and tap "M" to adjust the detection speed (three levels: Fast/Medium/Slow). Double-tap 'M' to set the detection interval time. Press and hold "▼" to switch between Fahrenheit and Celsius.
• •【Humanized Design】A great tool for checking, monitoring or controlling sound levels in any environment. Our digital sound level meter comes with an HD backlit LCD display so you can read it effortlessly all day long. Unlike portable sound level meters, our high-quality wall-mounted sound level meters are easy to install and perfect for continuous monitoring
• •【Wide Range of Application】LED display is fashionable and beautiful, it can be applied to noise engineering, product quality control, health prevention and treatment, etc. This large LED display decibel meter can be hung on the wall or placed on the table, which is an ideal noise meter for testing the sound level in classrooms, studios, major traffic roads, factories, construction sites, homes, offices and other places