Lionel FasTrack O-72 Command Control Left Hand Switch
http://www.amazon.com/gp/product/B002WGF640?tag=sukses2015-20

Lionel FasTrack O-72 Command Control Left Hand Switch
Features Switches activated with a Command Control CAB-1 or CAB-2 Sold separately
Can also be activated by remote lever switch Sold separately
and Same solid construction appearance and dimensions as standard FasTrack remote switches