Features: Enhances your mobile communication with the RSN4004A External Speaker, deliver clear and powerful sound for your in vehicle radio system. Constructed from ABS, Car intercoms external loudspeaker for two way car mobile radio 3.5mm. Perfect for professional driver, fleet operators, and public service personnel who rely on consistent and high quality communication while on the move. Perfectly suited for installation in vehicles such as trucks, response vehicles, and buses, the RSN4004A ensures that every message is clear. With its easy to install design and superior sound performances, the RSN4004A is a practical accessory for anyone lookings to upgrades their vehicle's radio communication capabilities. Specifications: Material:ABS Package Includes: 1Piece Walkies Talkie Speaker note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.