Manual operation knob Control module

- Color: As shown.
- Material: Plastic, metal.
- Size: 3 x 1.5 x 1.2 cm/1.2 x 0.6 x 0.5 inch.
- The knob module/rotary switch module is used on touch screen.
- It can replace the touch screen for the operation, and can be much more convenient used together with the touch screen.
- The touch screen will be controlled manually.
- It contains confirmation button.
- Adopted from high quality material, it is durable and long lasting use.