Equip your security team, management staff or supervisory staff with these two-way radios. The waterproof construction is ideal for use outdoors, while the compact size and included belt clips allow for easy carrying. Each 36-mile-range radio (longer range communication in open areas with little or no obstruction) features an S.O.S. siren, making it easy to alert other staff members to a potential emergency. 22 standard channels plus 28 additional channels let you find the right setting for clear, responsive communication. NOAA Weather Scan automatically locks on to your local weather channel and alerts you to severe weather. Powered by rechargeable battery pack, four AA batteries can also be used. Power Source(s): Lithium-Ion Battery; AA Alkaline; Number of Channels: 50; Color(s): Black; Frequencies: GMRS.