OUREAL Walkie Talkies for Kids Long Distance Two-Way Radio 2 Packs 836 CHANNEL COMBINATIONS - 22 Channels combined with 38 privacy codes(38 CTCSS) prevent interference from other radios UP TO 2 MILES - Maximum range may vary and is based on line-of-sight operation without obstructions, and under ideal conditions LCD DISPLAY - (Channels/CTCSS/Battery status ) Easily locate conversations in progress HANDS-FREE OPERATION(VOX) - Voice activated transmission frees hands for other tasks BATTERY SAVING TECHNOLOGY - Each use 3 AAA battery(not included), Unique circuitry extends battery life when not transmitting or receiving