If a joystick is required to control extra functions, switches may be added. The top right image shows a handle with two push button switches. CH Products finger tip joysticks may have up to two push buttons, while CH Products larger joysticks can accommodate many more, as shown in the bottom image. Switch types, colors and functions may also be specified. Where possible, other components may be fitted into a joystick handle, including LED indicators, thumbwheels, rockers and hat switches.