Large LCD Screen Digital Sound Level Meter, SW-525A Sound Level Meter Sound Level Meter SW-525A Wall Mounted 30dB-130dB Decibel Meter DC5V 1A Micro USB Digital Decibel Reader - LiebeWH, LiebeWHrhyvcemi4a

• Flashing and Buzzer Alarm-Measuring range is 30~130dB, with indicator flashing and buzzer alarm function. Usually in a very quiet room, the value will not be lower than 40dB, which is normal. Safe and -The device can measure internal or external noise. It is safe and , suitable for long term operation. Digital Screen-Large digital LCD display that provides clear readings. The product is powered by USB cable, please confirm before purchase, you have USB socket applicable. Product has no battery, it uses AC power supply. DC 5V 1A micro USB power supply. Widely Application-This Sound Level Meter can be used in measuring noise of various occasions and appliances such as factory, office, home, traffic route, acoustics, air-condition, refrigerator, etc. Easy Installation- There are hanging holes in the back, which can be hung on the wall to save space. It also can be placed on the desktop, for different scenes.