LEERCHUANG Sound Level Meter, Wall Mounted Hanging Decibel Meter W Large Screen Red LCD Display, Alarm, USB Powered Noise Meter(30dB-130dB)…

Wide Application: This db meter can be used to measure noise in various occasions and accessories, such as factories, offices, homes, traffic routes, audio, air-conditioning refrigerators, etc. It's capable of measuring noise level range from 30 to 130dB and the frequency response range: 31.5Hz ~8.5KHz. Alarm Function: Instant response to the sounds, it measure in actual time and it shows the number according to the level of sound as they come instantly. When the sound exceed the alarm value, it will buzze and flash to remind you to turn the volume down. What's more, you can chose whether to turn the alarm or not, and also you can set your own alarm value if needed. Readability form Distance: Features with large 9.6-inch LCD display with backlight,this sound level reader can be used even in dark places. Features with hanging holes, can be hung on the wall or placed on a table, making it an ideal noise meter for testing sound levels in classrooms, studios, major traffic routes, factories, construction sites, homes, offices, etc. Easy to Use:Powered by DC 5V 1A Micro USB socket, this db meter can be used simply by connecting with the power supply. The noise monitor will automatically turn on when connected to the power supply. If the device is turned on, the LCD display does not display, then this sensor may be faulty. Please contact us in time for help. Buy with Confidence: This SPL meter comes with a user manual and is supported with 24hours technical support and customer service, so if there is any issue with this product, feel free to contact with us for help.