Use of 696 Track Trips on O gauge

I’ve seen conflicting information on use of the 696 Track Trip on O gauge track. Want to use it on crossing sign. But not sure it fits. If not, what will work on O gauge to operate flashing railroad crossing?
Thank you
Bill

154C:

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Rob, late getting back. Had life interfering with fun.
This helped greatly. Have the initial crossing up and running.
Tks again