Features: The HF20W Wide voltages (12-85VDC) MP3 decoders Module delivers industrial voice performances with builts in 20W D class amplifier, supporting 9 track triggering and 48KHz high resolution voice decoding for development board accessories. Featuring USB flashes memory upgradeability, 8 triggering modes via DIP switches, and 12V warning light compatibility, this plastic module offer MP3/WAV format support with 64Mbit storage and direct 4-8Ω speakers drive capability. for electronics developers, industrial equipment engineers, and enthusiasts creating automated voice systems for commercial devices or safety alert mechanisms. Perfectly integrates into public transportation systems, vending machines, security devices, and factory automation setups requiring voice feedbacks and warning signals integration. This voice control module simplifies complex installations through its wide voltages adaptability and plugs and play functionality, making it essential for customs voice projects requiring precisions triggering and industrial durability. Specifications: Materials: Plastic Size: 50mm Styles: Standard Edition, Terminal Edition(optional) Package Includes: 1PC Voice Playback Module note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.