Portable Sound Meter - Ideal for monitoring noise pollution, adjusting home theater settings, ensuring health compliance, and conducting vehicle noise tests. HD Digital LCD Display - Features a sizable backlit LCD for quick, clear, and easy-to-read measurement values. Power Supply - Operates on 3 AAA batteries (not included). With an energy-saving design, it automatically powers off after 10 minutes of inactivity to conserve battery life. Multi-Functionality - Measurement range of 30-130 dBA. Includes maximum/minimum/data storage functions, automatic shutdown, and a battery indicator for checking remaining power. Wide Application - Designed to meet sound quality control requirements across various environments. Perfect for testing music recordings, addressing neighbor noise complaints, assessing industrial settings, monitoring office noise levels, and supporting voice therapy sessions. Accurate Measurements - Capable of reading sound levels from 30 to 130 dBA while effectively reducing wind noise for more precise results. Offers accuracy within +/- 1.5 dBA for reliable data output. Versatile Features - Equipped with maximum/minimum/data preservation function to ensure comprehensive sound monitoring and analysis.