This display unit was commonly fitted to SmartMotion Essence and Vista models: The connection is a 5 pin GREEN male 'Julet' plug.
NB: The displayed image may vary from the actual model on your unit. This is the replacement from SmartMotion for the OEM units fitted to 2017-2018 models as those manifested an unexpected and high fail rate.
Light On / Off button
Four LED battery voltage indicator
Five stage pedal assist sensor level button
On / Off button