Small compact and easy to use walkie talkies; less than 0.6 inches thick; weighing only 0.26 pounds; it can be easily held by both adults and children when picnics; camping; short hikes ^^ Double PTT design; which means that you can push the side button to talk like a normal walkie; also you can push the big center round button with PTT on it to talk; the large round button is easier for kids or seniors to see and use with their fumbly hands and fingers ^^ Breathing light; the colored LED circle around the front PTT button is helpful to locate the device in the dark; as well as confirm that it is on; working properly and ready for use; the breathing light flashes to indicate that it has entered the standby state ^^ Sturdy metal back clip; can clip it to a belt or backpack; you dont have to worry about the back clip breaking or deforming ^^ Key lock; long press the channel down button to hear two beeps; and you will fix the current channel; long press the channel down button again; after hearing one beep; you can change the channel normally