These are cost effective thumb throttles using a 5V hall effect sensor. They work well plugged straight into the Porter range, and the Pro-150 / 160 can be easily programmed to work with them.
They fit a standard 22mm handlebar and have a locking screw to hold them in place.
They give a 1V – 4V output, and the wiring colours are…
|Green||1V – 4V out [connect to blue wire input]|
Note: these are not suitable for use with the DNO or 4QD series, as they give a 1V output at rest.