Description: Unique Design: Made of handle design, the meter is light and portable. Accurate: Sound accuracy ranges from plus or minus 5 decibels to plus or minus 15 decibels, enabling more accurate noise detection. LCD Screen: Clear LCD screen is convenient for you to read the data. Premium Material: Made of premium ABS material, it can better protect the internal structure. Wide Application: This noise meter is not only suitable for household use, but also suitable for industrial use. Specification: Color: As Shown Material: ABS Size: Approx.23x12x5cm/9.06x4.72x1.97 inch Accuracy of Sound Pressure: ±1.5dB (94db@1Khz).±5dB (94db@8Khz) Frequency Response: 30Hz-8KHz Dynamic Range: 50dB Measuring Range: 30-130dBA Weight Attribute: A Dynamic Characteristics: Fast 125ms, Slow 1sec Microphone: Polarized Capacitance Microphone Range: 30 -- 80dB.40 -- 90dB.50 -- 100dB.60 -- 110dB.70 -- 120dB.80 -- 130dB Bar Chart: Yes Automatic/Manual Range: Yes Below/Over Range: Yes Backlight: Data Hold: Yes Max/Min Hold: Yes Automatic Shutdown: Yes Low Power Indicator: Yes Power: 3x1.5V AAA Battery (Not Included) Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Sound Level Meter (with 1 Piece Specification).