Illuminated Rotary Encoder
The rotary encoder can be mounted with single or bi-color led light,the cap symbol logo also can be customized by deisgn demands
Rotary encoders can be used similarly to potentiometers. The difference being that an encoder has full rotation without limits (It just goes round and round). They output gray code so that you can tell how much and in which direction the encoder has been turned. They're good for navigating menu screens and auto centre control as well as audio frequency function .
This encoder is especially cool because it has a single or Bi-color LED built in, the LED has white,red,blue,green; as well as a push-button. Look below for the clear knob that goes with this enocder