The Atlantis 275 comes with 6 Watts of Big-Ocean Power in a compact Submersible Floating Handheld VHF Marine Radio, and even includes an Emergency Strobe Light and built-in Flashlight Feature..With the Largest LCD screen in its class 25mm (h) x 40mm (w), and Paper White Backlight display for Day Time and Red Backlight display for Night Time, it’s the radio you won’t leave shore without..Built to throw in your pocket or tuck away on deck, its compact size is never far away when you need to stay in touch the most..It Floats, meets the toughest Waterproof standards IPX8 / JIS8, and even clears its speaker of water after being submerged. 6 Watt Transmit Power, with User selectable 6W, 2.5W, or 1W Transmit power..Receives all Marine Radio Channels, including all USA, Canada, and International Marine VHF channels (includes the new 4-digit channels and Canadian “B” channels) and receives all NOAA Weather Channels and Alerts..Includes Built-in Lion battery pack, AC & DC charging cables, and charging cradle. 3 Year Warranty and Full 3 year Waterproof Warranty..How can we help? Uniden Customer Support web site is designed to conveniently walk you through product setup and troubleshooting, Web site: https://uniden.com/pages/support-1 . Contact customer support at email: email@example.com or phone: 1-800-297-1023.