Garmin Power/Data Cable f/Fishfiner 300C & 400C & GPSMAP 400 & 500 Series [010-10918-00] Marine Navigation & Instruments | NMEA Cables & Sensors The IP67 waterproof rating protects

The IP67 waterproof rating protects the radio

the horn speaker can be used to collect external sounds and transmit them through the built-in speaker with a function called Listen Back

Backlit LCD - User selectable white backlight for day and orange backlight for night

Course Over Ground (COG)

Garmin Power/Data Cable f/Fishfiner 300C & 400C & GPSMAP 400 & 500 Series [010-10918-00] Marine Navigation & Instruments | NMEA Cables & Sensors The IP67 waterproof rating protectsPower Data Cable Connect or poer your fishfinders and sounders with this power data cable. Compatible Devices: Fishfinder 300C Fishfinder 400C GPSMAP 400 Series GPSMAP 500 Series WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov. Specifications: Type: Power Cords Box Dimensions: 3"H x 6"W x 6"L WT: 0. 71