FRS Radios - License Free and compatible with all FRS two-way radios NOAA Weather Radio & Alerts - Easy Pairing & Backlit Display 22 channels - 121 Privacy Codes Dual Power & USB Charging for approximately 18 hours of battery life with included 800mAH battery The communication range quoted is calculated based on an unobstructed line of sight test under optimum conditions. Actual range will vary depending on terrain and conditions, and is often less than the maximum possible. Your actual range will be limited by several factors including, but not limited to: terrain, weather conditions, electromagnetic interference and obstructions.