Wide Voltages Ranges Compatibility: Supports 5V/6V-35V input voltages, making it adaptable to various power systems for seamless integration into different devices. Ideal for intelligent home and industrial automation applications. Multiple triggering Functionality: Features 9 triggering points controlled by button, switches, or sensors to sound files, perfect for security alarms and advertising displays. Customizable sound Content: Easily upload voice files via USB interfaces, allowing flexible use in educational, commercial, or promotional scenarios with sound output. Compact & Space Saving Design: Measures just 68.5x55.2x24.5mm, enabling easy installation in limited space while delivering clear 3W most output. Package includes: 1pc Voice Player Module