Princes Risborough Station - Lift to Platforms 1 and 2

The lift car dimensions are sufficient for a wheelchair user and their companion.
There is an emergency alarm button in easy reach for all users.
What is the height of the handrail in metres: 0.87
What is the height of the call button in metres: 1.04
What is the height of the direction button in metres: 1.1
Additional Details:
The call buttons have no colour contrast with their background and are difficult to identify.
Unable to assess at time of audit.