SNDWAY LCD Digital Sound Noise Level  Meter Professional Noise Level Decibel Meter SW-523  SW-524

* Measurement range : 30~130dB

*Equipped with sponge ball to filter-out unwanted signals.

*Auto power off

*Auto backlight display

*Low battery indication

Measuring range: 30~130 dBA
Accuracy: ±1.5 dB   Resolution: 0.1 dB
Frequency response: 31.5Hz ~8.5KHz
Frequency weighting characteristic: A
Sampling rate: 2times/second
Microphone: 1/2 inch polarization capacitance microphone
Max Mini reading /Automatic backlight
Low battery indication /Automatic power off/on
Data hold function /Auto Calibration function
Lower battery Indication/ DC/AC signal output
Power:  3 X AAA battery ( No included )

Package included:

1 x Sound level meter

1 x Operation Manual

1 x Sponge Ball

Material: ABS.
Size: Approx Length 21.5cm wide 6.35cm high 2.7cm.

Note:
There might be a bit color distortions due to different computer resolutions.
There might be a slight errors due to different hand measurement.
Package Includes:
Body + manual (dry battery not included)