TW01RED1 - 

The TW series thumbwheel is a self centering single-axis device developed for thumb-actuated applications requiring proportional output. Utilizing non-contacting Hall effect technology for long life performance, the TW series thumbwheel delivers up to 5 million thumb actuations. Configuration options include choice of linear voltage outputs as well as wheel colors. The TW series thumbwheel is available as a stand-alone device or may be incorporated into one of our custom joysticks.
Features:

5 Million Cycles

Hall Effect Technology

Proportional Control

Self-Centering Single-Axis Design