Accurate and Reliable: Measures sound levels from 30 to 130 dB with high precision for various environments. User-Friendly Design: Easy-to-read LCD display and intuitive controls make it suitable for both professionals and beginners. Multi-Functional: for home, office, and industrial applications, including noise pollution monitoring and sound quality assessment. Compact and Portable: Lightweight design allows for easy transport and use in various locations. Battery Operated: Powered by 9V battery (not included), ensuring convenience and portability for on-the-go measurements., Manufacturer: LLOOPK