DESC: With 500 mW of output power (the most allowed without an FCC license), each radio in this two-pack boasts a range of up to two miles. Access to 14 FRS channels offers plenty of frequencies to transmit on. The advanced auto-squelch mode automatically reduces noise and interference for crystal clear reception. And for use during low-light hours, the illuminated LCD is just as easy to read at midnight as it is at noon. Call alert and "Roger" beep. Each operates on four AAA batteries (not included).