The Gumball Switch is now wireless and easy to activate. When the switch is pressed, it transmits a signal to the receiver (included), which activates a toy, device, or a computer switch interface system. This switch can be used as far away as 20 feet from the item. Size: 4"L x 5"W x 2"H. Receiver requires 2 AA Batteries and Switch requires 1 6-V Battery.