You are buying a throttle display as pictured.

This 52V Z6 (blue screen) throttle display will work with electric scooters using the J&P controllers but you have 
to keep in mind that it is your responsibility to check that it will work with your scooter, before buying it. 

All wires and plugs are pictured.
There are no instructions on how to fit them so if you don't know how then we suggest that you seek for 
professional help for it.
Warning: It is illegal to ride electric scooters on public roads, pavements, or cycle paths.
They are intended only for use on private land with the owner’s permission.