The Cobra MR-HH325VP Marine VHF Handheld Transceiver with phone helps you keep track of weather changes while also doubling as a communication device. It alerts you to weather changes with an audible tone and also by means of a visual alarm. This marine transceiver provides instant access to all 10 NOAA weather channels, and includes power outputs for both short- and long-range communication. It keeps you updated with 24-hour coverage of information regarding harsh, threatening weather or impending weather changes. In addition, this Cobra marine VHF radio provides instant access to Channels 16 and 9 for emergency situations. It also has a Tri-Watch function that monitors three channels at once - Channel 16 and two user-selected channels. It is powered by a NiMH rechargeable battery and also includes a 12V cigarette lighter plug.