Waterproof connector splitter, can be used in a harsh environment. Waterproof connector splitter is designed to prevent the cable from being damaged by rain. It is easy to install and can be used to connect the power supply of two devices at the same time. 

Combiner or Splitter also  allows you to combine 2 network ports over a single cable and then split the ports.

These Waterproof connectors comes in a Pack of 4.

What's in the box:

1 x Waterproof Connectors Pack of 4