The lighting works great but you will need to be patient with the installation. For example, you need to make sure that the bracket and the bracket are pressed firmly together so that there isn't a small gap between the bracket and the drywall. Otherwise you get the same product that can be found in a large store from the same manufacturer. The four stars are because the plasterboard sprung conversion jigs are more convenient, but be aware that you will also have to spend more on the finishing, so the finishing is usually sold separately.