<p>This product is mainly used to test the noise generated normally. It can accurately measure the decibel value of noise, small size, simple operation, light weight and portable belt.</p> <p>Sound db meter calibrated at factory, noise measurement range from 0 - 130dBA, accuracy: 1.5dB, resolution: 0.1dB. Disable the automatic off function, sound meter can continuously measure noise value.</p> <p>Sound meter features backlight alarm, large LCD display, maximum\/ minimum noise monitor, data hold function, auto\/manual power off, disable the auto off function, sound level meter can continuously measure noise value, battery indication.</p> <p>Decibel meter is perfect for music recording, home theater setup, neighbors noise complaints, job-site and noise pollution monitoring.</p> <p>Portable sound level meter is light and compact design, easy to carry with you and operate with one-hand.</p> <p>The digital sound noise level meter is equipped with sponge ball to resistant wind, compact and , easy to carry and operate.</p> <p>Measuring range:30dBA-130dBA</p> <p>Accuracy:1.5 dB</p> <p>Frequency range:31.5Hz-8.5KHz</p> <p>Frequency weighting:A</p> <p>Resolution:0.1dB</p> <p>Microphone:1\/2 inch electric condenser microphone</p> <p>Power supply:3 x 1.5V AAA Batteries( Battery not included)</p> <p>Working Temperature and Humidity:0-40(32-104), 10-80%RH</p> <p>Colour:Orange \u0026 Black</p> <p>Material:ABS</p> <p>Package Contents:</p> <p>1 * Sound Level Meter</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>