Waterproof two-way radios use the GMRS radio band and provide coverage up to one mile in urban areas and uo to 35 muiles unobstructed under optimum conditions. 22 channels and 121 privacy codes eliminate interference from other users. Submersable up to 1 meter for 30 minutes. 11 weather channels (7 NOAA) with built-in Alert feature. Built-in LED flashlight. Emergency alert button warns others of impending danger. NimH rechargeable battery lasts up to 9 hours or use three AA batteries for 27 hours. Includes two radios, two rechargeable NiMH battery packs, two belt clips, one dual slot desktop charger and user guide. 2.3" wide, 1.4" deep, 7.6" high. Weight .23 lbs. Not compatible with business two-way radios. FCC license required. Power Source(s): Three AA NiMH Batteries; Number of Channels: 22; Color(s): Black/Yellow; Power: 1W.