Dickie's Walkie Talkie Easy Call Walkie Talkie will give your kids a lot of fun. They are ideal for simple calls. They have a range of up to 80m and are easy to operate. The antennas are flexible. One advantage is that you can adjust the volume. The transmitters measure 16cm and work on 2 x 9 V 6R61 batteries which are included in the package. The children can play at being small agents and have fun transmitting information!