Are there any watchtower entities in the editor?

[LoL]

Hey,
I'm been looking for some watchtower entities so I can create an searchlight but I cant find any. Any Ideas?
LoL

[LoL]

Thanks MHI!!
But I have another question, how can that searchlight move on its own?
Example,it moves from left to right without commanding it?

[LoL]

Thanks!