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InformationOffer you excellent using experience!Made of premium material, it has superior property.If you want to know more details or have any questions, please look through the detailed page or contact the customer service.FeatureMaterial: ABS andamp; siliconeProduct Size: length 3''/7.5cm; width 2.6''/6.5cm; height 1.6''/4cmPackage size: length 8.5''/21.5cm; width 4.5''/11.5cm; height 2''/5cmNet weight: 4.0oz/114gGross weight: 6.7oz/191gColor: as the picture shownPackage list: 1*9V battery; 1*sound lever meter; 1*carrying case; 1* user manualSpecification:Frequency range: 31.5Hz~4KHzMeasuring level range: 40-130dBFrequency weighting: AMicrophone: 1/2'' electret condenser microphoneDigital display: 3- 1/2 digitsResolution: 0.1dBDisplay Up data: 0.5secTime weighting: FAST(125Ms)Accuracy: ±3.5dB(under reference conditions)Alarm function:"OL" is show when input is out of rangePower supply: One 9V batteryOperation temperature: 0~40℃(32~140℉)Operation humidity: 10~90%RHStorage temperature:10~60℃(14~140℉)Sample rate: 2x/ secondHold: keep the readingNotice* The actual color may vary slightly from the online image due to monitor color settings.* Please allow slight measurement deviation for the data.Package Including1*9V battery; 1*sound lever meter; 1*carrying case; 1* user manual