What's this and what does it do?

[James TQ]

In the back side panel of my boot next to my Bose sub and cd changer is this box and I has no idea what it is, does anyone know?

Thanks.

Snapbucket :: Snapbucket picture by JLydamore - Photobucket

 

[aragorn]

Central locking pump/ecu

 

[Jimgrim77]

It's your remote central locking pump/unit.

It also controls windows,'internal lighting etc...essential for your car.

 

[James TQ]

Brilliant, thanks guys