LED tail light

[Mentok]

Hi folks,

I'm currently playing around with a fibreglass tail for my bros, I was originally planning to fit a Revere tail light assembly, but am now considering this:

http://cgi.ebay.co.uk/LED-Brake-Lights-Truck-Trailer-Horse-HGV-Caravan-12V_W0QQitemZ200146862676QQihZ010QQcategoryZ294QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

My question is - does anyone have experience with installing LED tail lights? Should I be aware of any issues with this install?
I'm presuming it will be fairly straight forward - match the 3 wires...