We do not accept P. BOXES – PLEASE PROVIDE A PHYSICAL ADDRESS. We advise you to use a reputable carrier service when returning your goods. Please check the Voltage information and make sure it matches the one in your country. In case it’s not stated in the description, do ask us. We guarantee that your issue will be solved quickly. We usually respond within 24 hours on weekdays. MUSIC STREAMING: This marine digital media receiver stereo radio has a built-in technology with 10 feet range for wireless audio streaming and works with all of your favorite devices like iPhone, android, smartphone, iPad, tablet, etc MULTIPLE CONNECTION: This stereo receiver system is equipped with AUX and RCA input / output connector jacks for additional audio devices and speakers. With this excellent quality Marine dashboard stereo entertainment system with 2.75 LCD digital display that lets you listen to music, Waterproof Construction you don’t have to worry about the elements! UNIVERSAL AND WATERPROOF: This radio stereo combo is made of marine grade waterproof construction in a universal compact round design that fits into standard size tachometer gauge. Waterproof Construction you don’t have to worry about the elements! Dimension: Cutout Diameter: 3.15″/80MM Mounting Depth:3.5″/90MM. Herdio Round Waterproof Marine Radio – 4 x 40 W Boat in Dash Gauge Stereo Recei.