Nautilus Lifeline GPS VHF Safety Radio, Orange Size: Radio Only Color: Orange, Model: NL-1001-Orange, Electronic Store & More Handheld Marine VHF Radio / GPS with Digital Selective Calling (DSC) Built in 20 parallel channel GPS - waypoints can be downloaded to Google Earth via included USB Floating - Depth rated to 425 feet Transmit your GPS position and summon help by depressing the Red Button No base unit required