The display available is the eSystem v3.1 Display Unit. This includes the unit and instructions no oil or reservoir is attached.
Newly updated to reflect 2020 technology and customer feedback, the benefits can be seen below.

• Adjust chain lubrication on-the-go with compact and responsive display.
• System memory retains all settings – even if disconnected from the battery.
• Total control over chain lubrication – the premium choice.