Can you just tell me?

it just a repeater but you can change how far it goes

https://www.youtube.com/watch?v=w_ZFRV6AT6E
No, it's not a Rick Roll, I promise it's a tutorial of using a comparator.

basically, it measures how full a container is (No ender chests), and the fuller the container, the stronger the redstone signal. It also works for cakes, sooooo

ez pz

lol not hard