Roller Plus Trackball

This unit is a solution for the users who may have difficulties with a conventional mouse. Large 63.5 mm diameter ball offers a high degree of control with many additional features as a speed control key, latching drag switch and buttons that allow only up/down or left/right movement of the cursor.

Comes complete with a switch adaptor box allowing external switches to be used in place of some of the keys on the front panel.

All of the switches on the front panel, with the exception of the speed control, can be duplicated with remote switches by using the connector on the rear of the unit.
 
Features:

• No additional software required
• PS2/USB compatible
• Removable finger guard
• Mounting Points
• Reversible Right/Left buttons