Submersible/floating design allows for the radios to be submersed up to one meter (3.28 ft) for 30 minutes 6,270 Channel combinations gives you many options for keeping your group together Direct call with caller ID lets you contact someone directly without disturbing others in your group Receive emergency/weather broadcasts from the NOAA National Weather Service with the Weather Alert feature Emergency strobe The GMR5089-2CKHS Two Way Radio features Tru Waterproof that combines rugged durability with watertight construction to create a radio that can take on the most extreme outdoor conditions and can be submersed into over 3 feet of water for 30 minutes. You can use this radio from up to 50 miles away and it offers 22 channels with 7 FRS and 15 GMRS. There are 6,270 channel combinations that gives you many options for keeping your group together. The radio features 284 privacy settings, 142 privacy codes and 142 group codes per channel, to help reduce interference from other users. You can also contact someone directly without disturbing others in your group direct call with caller ID. The Weather Alert function allows you to receive emergency/weather broadcasts from the NOAA National Weather Service. When in Emergency/Weather mode, the system monitors the selected emergency/weather channel for alerts when not communicating. The emergency strobe allows people to see you if you happen to find yourself lost. The package includes: 2 radios, 2 headsets, 2 carabiner clips, 2 belt clips, 2 rechargeable battery packs, charging cradle, AC adapter, and printed materials.