I want to put a chandelier in my house, but I don't know how to use it
The cheaper the price, the more plastic parts inside,
If you want to use in the future, you can consider buying a drill, the quality and price of the impact drilling is proportional to.
If you're just using it for a while, go and borrow one.
Not using an electric drill to install droplight, the ceiling should drill holes with the impact, the location of holes to locate a circular hole on the chandelier, and then put the disc with expansion bolts fixed on the ceiling, you can install the chandelier.