Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:

Create a detailed description for the following product: System 3000 Touch Top Unit, belonging to category: Operating Top Unit for Switches

### Response:
The Gira System 3000 Touch Top Unit can be used as a dimmer or blind controller. Desired brightness of lighting or blind position is continuously adjustable by swiping a touch-sensitive light bar with the finger. Preferred brightness values or blind positions can be directly stored and retrieved via three additional control points. In the development of the device, great attention was paid to easy operability, so that it is also highly suitable for use in barrier-free areas.
### End