Specification Brand : Vvikizy BulletPoint1 : LARGE DISPLAY SOUND METER: The USB powered sound meter features a large 9.6 LCD digital display with backlight enabling clear, easy reading in dark areas, ensuring accurate sound measurements anytime, anywhere. BulletPoint2 : INSTRUMENT WITH ALARM FUNCTION: This innovative noise tester is equipped with an alarm function which beeps and locks data for 2 minutes when the noise exceeds the set alarm value, providing real time alerts for noise control. BulletPoint3 : EFFECTIVE DATA STORAGE: This sound meter automatically stores data every 2 seconds. The stored value represents the loudest noise in the prior 2 seconds, making it an excellent tool for long term noise monitoring in various settings. BulletPoint4 : USB CONNECTION FOR EASY TRANSFER: The digital sound meter allows for data transfer, sampling, and printing graphs when connected to a computer via the provided USB cable, enabling detailed and comprehensive noise analysis. BulletPoint5 : BROAD RANGE OF APPLICATIONS: This noise meter is suitable for diverse environments, including families, factories, offices, hotels, hospitals, labs, theaters, and audio systems, making it a versatile tool for all your noise measurement needs. ItemName : Wall Mounted Noise Meter 525B fonometro USB Powered 9.6 LCD Digital Sound Meter Wall Hanging 30?130dB Noise Tester decibel meter wall mounted Sound & Noise Sound Measurement ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 23 centimeters ItemPackageDimensions_Width : 18 centimeters ItemTypeKeyword : sound-and-noise-meters Manufacturer : Vvikizy ModelName : Ftvoguesyzoakt1rf ModelNumber : Vvikizyt4xfp6mogu PartNumber : Vvikizyt4xfp6mogu ProductDescription : Specification: ModelSW-525B Accuracy±1.5dB Measurement Range30~130dB Frequency Response Range31.5Hz~8.5KHz Frequency WeightingA ResponseFast Resolution0.1dB(100dB) Alarm Reminder(sound+display)Yes Alarm OutputYes Storage Function2secs/time, can be stored for a year Communicationconnecting PC via USB cable Working Temperature/Humidity0-40?, 10%~80% Storage Temperature/Humidity-10-60?, 10%~70% Characteristics MaterialPlastic, Metal ColorBlack PowerDC 5V 1A micro USB Product Size(appr.)228x125.5x32mm / 9.0x4.9x1.3inch Package Weight(appr.)612g AccessoriesUSB Cable, User Manual, CD Package Included: 1 x Sound Meter 1 x USB Cable 1 x User Manual 1 x Card Warning: 1. Do not use meter in high temperature and high humidity environment. 2. Do not use meter near corrosive material. 3. Do not use meter in the conditions that should be splashed by water. 4. Do not use meter in heavy dust environment. 5. Do not use meter in an environment with chemical gas.