# FLEX Wires

Your FLEX kit includes 34 sensors connected to 16 red wires, 16 blue wires, and two black wires. &#x20;

### Wire Color Coding &#x20;

The wires are color-coded, making it easier to identify the channel name in PRO and find the corresponding sensor on the cap. For example, if the contact quality is low on channel LA, this will correspond with the blue A wire.

| **Wire color** | **Reason**  |
| -------------- | ----------- |
| Red            | Right wires |
| Blue           | Left wires  |
| Black          | References  |

Each wire is labeled with the channel letter it is connected to. All wires are crimped with a JST gold-plated crimp, which helps improve the EEG signal quality.



### Wire Lengths

The sensor wires come in two lengths:

* The wires for channels A-G (front of FLEX Cap) are 300mm, and
* The wires for channels J-Q (back of FLEX Cap) are 150mm.&#x20;

The different wire lengths minimize excess while allowing for any sensor configuration. &#x20;

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