 | OVERLAY SINGLE-TOUCH | OVERLAY MULTITOUCH |
| Sizes | 10'' to 65'' | 32'' to 103'' |
| Technology | Infra red | Optical |
| Drivers | Yes | No (HID) |
| Operating System | Windows, Linux | Windows 7 |
| Type of screen | LCD, Plasma | LCD, Plasma & Rear Projection |
| Orientation | Vertical & Horizontal (table) | Vertical & Horizontal (table) |
| Number of touches | 1 | 4 |
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