General description Portable Sound Level Meter: a handy tool ideal for noise monitoring, setting up a home theater, health and safety compliance, vehicle noise testing, and more. It is designed to meet the measurement requirements of sound quality control in various environments, making it suitable for testing music recordings, neighbor noise complaints, industrial environments, office environments, and speech therapy. Technical specifications Measuring range: 30 to 130 dBA Display: HD digital LCD with backlight Power source: low battery indicator Automatic shutdown after 10 minutes of inactivity Other information Maximum/minimum/data hold function Convenient and energy-saving design