Stop walking across a dark room to turn on the light. Install a 3-way switch and control lights from two locations.

Is there a neutral wire ... smart switch. If more than one switch controls that load—switches on opposite sides of a room, for example—then you’ll need to replace it with a multi-pole (aka 3 ...

Be aware, however, that most–but certainly not all–smart controls depend on the presence of a neutral wire in the box ... it with a multi-pole (aka 3-way) smart switch. This typically means ...