Standard Horizon Quest-X STD-GX1500SB Waterproof VHF Marine Radio (Black) Fixed-mount marine VHF radio programmed with all U.S., Canadian, and international channels Supports all NOAA weather channels; high-quality microphone with noise-reducing technology Compatible with optional RAM+ remote microphone; Digital Selective Calling sends immediate distress signal Transmits GPS location when connected to receiver; Dual Watch and Priority Scan modes Submersible black chassis; measures 7 x 3.1 x 5.9 inches (W x H x D); 3-year warranty