Cobra MR HH350W FLT MR HH350 6 Watt Handheld VHF (White) Noise-Cancelling Microphone - Blocks background noise for clearer conversations. 7 Watt VHF - Select between 1, 3 and 6 watts for short and long range communication. USA, Canada & International Channels - Allows operation on any of the three different channel maps established for these areas. All NOAA Weather Channels and Weather Alert - Instant access to national All Hazards and weather information, 24 hours a day, and alerts if threatening weather is nearby.