1 cigarette lighter male plug to 2 female sockets. A 2-Way cigarette lighter splitter adapter extension cord allows you to connect two of your 12 volt low power devices at the same time.
They can be as simple as smart plugs, which allow you to perform boring tasks like turn on a fan or other home appliances. This is a relatively cheaper way to enjoy smart home functionality ...
It can get pretty bulky when you have large plugs coming out of every side ... The Monoprice 12 Outlet Power Surge Protector with 2 Built-in USB charger Ports is a solid piece of kit.