Features:
OOTDTY
Large screen display with clear observation: 3.0-inch digital tube, capable of displaying even in direct sunlight.
Wall mounted: with mounting holes/can be installed on the wall.
Overs limit alarm prompt: The light flashes during the alarm, accompanied by a buzzing alarm sound.
External structure diagram: easy to understand and easy to with. Suitable for various occasion and widely used in bars, schools, hospitals, offices,
Can external speakers and support 3.5mm cable,Measuring ranges: 30 to 130dB, the product operation is very convenient, it can be used only by connecting the power supply (additional power supply needs 5V 1A) accuracy: ±1.5dB (reference sound pressure level, 94dB @ 1KHz), frequency response ranges: 31.5Hz ~8.5KHz

Specifications:
Material:ABS
Accuracy: ±1.5dB (In Standard sound: 94dB@1KHz)
Ranges of Measurement: 30 ~ 130dB
Frequency Response 31.5Hz ~ 8.5KHz
Screen Size:3inch

Package Includes:
1x Hanging Sound Level Meter

Note:
Please allow 1mm errors due to manual measurement.
Due to the difference between different monitors, the picture may not reflect the actual color of the item.