<p>1. It is a perfect sound level meter for measuring noise levels in homes, factories, offices, theaters and audio systems.</p> <p>2. Digital Sound Level Meter Measuring Range: 30~130dBA; Accuracy: +/- 1.5dB; Resolution: 0.1dB; Records Max/Min values all the time.</p> <p>3. Large LCD Screen of Decibel Tester: Features a large backlit screen with LCD display, makes it easy to read the result.</p> <p>4. Fast Response: Measures in dBA Frequency; Frequency Response: 31.5Hz~8.5KHz. Records Max/Min values all the time.</p> <p>5. Portable ergonomic design: This sound level meter is comfortable to hold, sturdy and well-made, can easily fit in a bag and be carried around.</p> <p>Power supply: 3*1.5V AAA battery</p> <p>Operating temperature and humidity: 0~40℃, 10~80% RH</p> <p>Storage temperature and humidity: -10~60c, 0~90% RH</p> <p>Weight: 84.08g (without battery)</p> <p>Dimensions: 50*33*159.5mm</p> <p>Quantity: 1 piece (without battery)</p> <p>Note: This does not include other things, the color is based on the first picture, and the other pictures only show the effect</p> <p>Due to the differences between different monitors, the picture may not reflect the actual color of the item.</p> <p>Due to manual measurement. Please allow deviation. Thank you!</p>