What kind of cable needed to sync two tvs

Solution
If you have one source an active splitter will convert one output to two.
If you have multiple sources then an input selector with two outputs would work. If it had three inputs it would be described at a 3x2 switch.
Some will allow you to have different sources on each TV. This would be described as a 3x2 matrix switch.
If you have one source an active splitter will convert one output to two.
If you have multiple sources then an input selector with two outputs would work. If it had three inputs it would be described at a 3x2 switch.
Some will allow you to have different sources on each TV. This would be described as a 3x2 matrix switch.
 
Solution