With any Mace RJ-11E system such as the Mace Easy Watch Observation RJ-11E system, you need RJ-11E cables and adapters to put the whole system in place and install it for use.
The RJ-11E Cable Coupler is designed to connect two RJ-11E cables with RJ-11E connectors to extend the length of the cables.
|Connector on First End:||1 x RJ-11E Female Video|
|Connector on Second End:||RJ-11E Video|
Product images may differ from actual product appearance.