Feature:1. [Wide Measurement Range] Our sound level meter offers a wide measurement range of 30 to 130dB and a frequency range of 30Hz to 8Khz, ensuring accurate readings across various sound levels.2. [Precise Readings] With an accuracy of 1.5dB, this sound pressure level tester provides reliable readings for a wide range of sound measurements.3. [Flexible Response Rate] The decibel meter features a quick response of 125ms and a slow response of 1 second, allowing for adaptability in different environments.4. [Useful Features] Our noise meter includes helpful features such as maximum and minimum readout records, as well as auto power off function, helps to reduce energy consumption.5. [Versatile Usage] An excellent tool for monitoring and inspecting noise levels in any environment, from individual use to professional, research, and industrial settings.Specification:Item Type: Sound Level MeterMaterial: ABSBattery: AAA Battery x 2 (Without)Measurement Range: 30 to 130dBFrequency: 30Hz to 8KHz.Package List:1 x Sound Level Meter1 x Instruction Manual