Feature:1. Handheld sound level meter, with LCD display, supports backlighting, clear readings, intuitive display of data, no parallax.2. Using high quality sensors, high measurement accuracy and stable performance, it is a professional decibel measurement tool.3. It adopts dual analog signal output, the measuring range is 30‑130dBA, 35‑130dBC, and supports AC DC signal output.4. Non slip silicone button design is comfortable to the touch, simple to operate, meets a variety of needs, and widely applicable.5. Small and portable, suitable for factories, schools, hospitals, shopping malls, hotels, theaters, offices, road traffic, home audio.Specification:Item Type: Sound Level Meter Material: ABSProduct Model: HY-1361Measuring Range30-130dBA 35-130dBCMeasurement Accuracy±1.5dBFrequency Response31.5HZ-8.5KHZDynamic Range50dBAC Signal Output√DC Signal Output√Auto Shutdown FunctionShort press the power buttonNo Shutdown FunctionLong press to boot until LCD flashesLow Voltage Display Function√Overload Display√Digital Display4 digitsResolution0.1dBDynamic CharacteristicsFast/slowMicrophone1/2 inch condenser microphoneFrequency Weighting CharacteristicsA/C weightingMeasurement Gear Selection6 gearsMaximum Lock√LCD Refresh Frequency2 times/secProduct ColorIvoryApplication Scenarios: Volume measurement applications in various occasion such as factories, schools, hospitals, shopping malls, hotels, theaters, offices, road traffic home audio, etc.Battery: 4 x AA Dry Batteries (Battery Not Included).Package List:1 x Noise Meter (Battery Not Included)1 x CD1 x USB Cable1 x Manual