**********100% floating marine radios; 1s automatic floating after you drop it into the water; self-contained drainage function can eliminate all the water entering into the radio speaker mic and you will never get a distorted or muffled sound*****Wide frequency range cover all the USA and Canada and International marine channels; high power can also give you unexpected range and you will never worry about losing the signal*****Tri-watch function allows you monitor current channel and the channel you will call and the emergency channel 16; TAG hot button enable you quickly collect the channels you want and achieve priority fast scanning*****NOAA weather alarm will automatically scan to alert you of severe weather updates and an alarm indicating a risk of severe weather; the LCD screen is automatically backlit and the screen clarity can be adjusted from low to high to adapt to bad weather*****Rugged and durable two way radios meet the military standard; you don't have to worry about i