Feature:Specification:Want to test the sound level? Need to know the noise level? Try our Digital Sound Level Meter. It's featured with wide measuring range (30-130dB). It's portable and easy to use as a handy instrument for sound quality control in factory, office, home, school and construction site.Features:Large LCD backlight display for clear reading, convenient to use at night.Wide measuring range: 30-130dBA, Fast Responding.Sound level measurement with stable and reliable performance.Min./Max./Data Hold function and OVER warning sign of over range measuring.Low battery indication, manual/auto shut off.Equipped with sponge ball. With mounting hole of tripod, allowing to be placed on the stand, easier measuring when your hands are busy.Portable and easy to use，suitable for sound quality control in factory, traffic, car, baby room and audio system office, home, school and construction site.Specifications:Color: BlackMaterial: ABS PlasticMeasuring Range: 30-130dBAAccuracy: ±1.5dBResolution: 0.1dBFrequency Response: 31.5Hz to 8KHzFrequency Weighting Features: A WeightingDisplay: LCD DisplayOver Range: LCD Show OVERPower Supply: 3 * 1.5V AAA Batteries(Included)Operation Environment: 0-40℃ 10-80%RHStorage Environment: -10-60℃ 0-90%RHItem Size: 56 * 36 * 177mm / 2.20 * 1.42 * 6.97in Item Weight: 122g / 4.32oz (Batteries Included)Package Size: 22 * 12.2 * 4.4cmPackage Weight: 210gPackage List:1 * Sound Level Meter1 * Sponge Ball1 * User Manual (English + French + German + Italy + Spanish) Package List:1 * Sound Level Meter1 * Sponge Ball1 * User Manual (English + French + German + Italy + Spanish)