Lightweight and small size design makes it convenient for you to hold in hand and carry around. Max 5 KM range in the open field. You can communicate freely with your children while playing outdoors! Using built-in microphone and stay connected with families & friends, especially in outdoor activities, easy to use. Power supply is 4 AAA batteries. Parents are relieved to let children use the radios and no need to worry about the power. 10 call tones, a lovely gift for parents to communicate with your kids. 8 Storage Channel, each channels with 38 privacy codes. Built-in flashlight +audio low battery alert+ backlit display+ keypad tones+ auto squelch Support VOX function, hands-free communication without the need for an audio accessory.