West Marine VHF155 Guide D'utilisation page 6

Battery level display and low battery alert.
Dual, Triple and Quad Watch operation
These different watch modes let you monitor up to two
Coast Guard Distress/Hailing channels and one weather
channel along with one regular marine channel.
All marine VHF channels for the U.S., Canada, and
international waters
National Oceanic and Atmospheric Administration
(NOAA) Weather Channel watch
Sounds a warning tone when a hazard alert is issued.
E-2
West Marine VHF155 Radio Owner's Manual