Features Extensive Data Storage Capability: Store up to 15,000 groups of data for comprehensive analysis, allowing you to track noise levels over time effortlly USB Connectivity for Easy Data Management: Connect to your computer via USB to download records, analyze data in real-time, and print graphs for detailed reporting Real-Time Temperature and Humidity Monitoring: Display current temperature and humidity with a convenient switchable ℃/℉ feature for enhanced environmental awaren Large, User-Friendly LCD Display: Enjoy a clear 2.7-inch screen that makes reading measurements simple and intuitive, even in low-light conditions Wide Measurement Range and High Accuracy: Measure sound from 30dB to 130dB with ±1.5dB accuracy, ensuring readings for various environments and applications Features: Data storage function allows to store up to 15,000 groups of data.Connect with the computer through USB cable, which supports data record download, real-time sampling analysis, and graph & data printing. Real time display the current temperature(℃/℉ switchable) and humidity. 2.7in large LCD display screen, easy to read and use. Wide measurement range from 30dB to 130dB, Frequency is 31.5Hz - 8KHz, Resolution is 0.1dB, Accuracy is ±1.5dB. With A and C equivalent weighted sound prure levels and fast and slow dynamic characteristic mode. Package List 1 x Sound Level Meter 1 x Instruction Manual 1 x USB Data Cable