How is it? They look like they're almost ready for harvest given the color; they're yellowing, so that means they're almost done. We call this phenomenon senescence. Otherwise, OGgrows is right, but Mars Hydro doesn't deliver to the overseas territories, so you in Réunion and I in Martinique don't have access, and even if a friend sends you the package from France, it will cost the price of the product. There are always good panels on AliExpress; I have one that works well for 120 bucks, including shipping. Given your gear, I assume you went to Culture Indoor; they advised you on what they have but not what you need, so as we said, the Quantum Boards are better. If you have a microscope, then check your trichomes, the resin glands, to see if they're mature. You have plenty of tutorials on Cannaweed; it's a French-speaking forum.