I want buy Nuki pro 4 I need an advice?

I would order a Nuki Pro 4, I have a cylinder when the key is on the inside, the door cannot be unlocked from the outside. Also, when I enter from the outside, I open the door with a key. MY question is, should I also order the Nuki cylinder?

tnx a loot

You’ll need to replace the cylinder https://support.nuki.io/hc/en-us/articles/4425515453585-What-is-the-emergency-function-

Nuki cylinder is amazing