Relays

So I use my servo's bang-bang normally and use this: http://www.robotcombat.com/products/0-TD-RCE225.html
for The relay to activate it?

The RCE225 plugs into you rx and will control your actuator, nothing else needed. The only thing i can remember is that these dont usually come with the RX lead/plug so you have to solder one on.

O.K. So would i still be able to use the limit switches to control the amount of movement?