The GMRS/FRS Two-way Radios have a range of up to 25 miles. Be prepared for storms and emergencies with Built-in NOAA radio receiver. VOX (voice activated transmission) detects the user's voice and transmits without the need of pressing any buttons therefore keeping your hands free. There are a total of 2662 channel combinations when the 22 channels are combined with the 121 privacy codes (38 CTCSS/83 DCS). These combinations prevent interference from other radios. These Two-way Radios are weather resistant to lock out moisture, feature a belt clip and come with (3) rechargeable NiMH AA batteries. Micro-USB Charging Cable with "Y" plug also is included.