Laser Relay
The Prismarine Laser Relay is a block that allows you to extend the range of your lasers. Make sure to point the arrow in the right direction!
It is crafted using 6 Polished Prismarine blocks.
Laser Junction
The Laser Junction is a block that allows you to split a laser beam into multiple directions or bundle multiple Beams into a single one.
Right-click or Shift-right-click to toggle input output on the blocks side. While this block is quite expensive, it is also a useful and very powerful block to have.