Remote Mic for UM725 VHF Radios - WhiteUniden UMRMIC Remote, Second Station Microphone.Features: Remote, second station wired remote microphone; Direct connection to the UM725 series fixed mount VHF radio series; Fully remote control of connected Uniden Marine VHF radio, including channels, DSC Distress, NOAA Weather Channels, and more; Intercom feature between the main radio and the remote microphone; Large, Clear "Landscape" oriented, Full Dot Matrix LCD Display; Bright White LCD Backlight for Day, Orange for the night (User selectable); Private Text Messaging Send messages over Marine Channels to other equipped radios; NOAA Weather Channels With Weather Alerts; IPX8 Rated Waterproof Submersible to 4.9ft. for 30min with no water intrusion; Included Accessories 24-foot inter-connect cable, Microphone Hanger, Mounting Hardware; Optional extension inter-connect, up to 75ft; - cis2:mm5mnJlm -Specifications: Type: Microphones; Box Dimensions: 4"H x 7"W x 10"L WT: 2.2 lbs; UPC: 050633501986; Owner's Manual (pdf)