The 4-pack cobra rx100 are perfect for families and friends to use outdoors. With up to 16-mile range and 22 channels, the rx100 walkie talkies provide you and your loved ones with easy-to-use and clear communication on all your adventures. Features easy-to-use & kid friendly - everything kids and families need in a walkie talkie with up to 16-mile range. 22 channels - easy access to 22 channels across frs (family radio service) frequencies. Built-in led flashlight - use the led flashlight or enable sos function with the push of a button. Call alert- provides an easily recognizable alert for incoming transmissions. Roger beep tone - convenient confirmation beep tone signals to others it is clear to talk.