Stable Signal and Long Distance16 Main Channels, ensuring max up to 5km wireless communication. You are free to use 99 low frequency tones, signals will not be disturbed with antiinterference performance. Friendly Radio Design Lightweight walkie talkies body ergonomically designed to fit easily into your hands. Multifunction Walki TalkiBuiltin backlit LCD screen,showing the battery status,channel number as well as the subtones,volume level,and signal status,etc.The flashlight for night use or emergency.Channel lock function. Easy to useSet the same Channel and Subcode, and press PTT key to talk. Simple pushtotalk operation. Fun for friendsAn amazing gift for birthdays, Christmas and June 1st. It is suitable for various indoor and outdoor activities, camping, spring outing, hiking, etc., to increase the fun of communication and games for the young.