Using this lighted green tree is a breeze. First, place it where you want to decorate. Then, insert 3 AA batteries into the battery compartment. The tree has a 6 - hour timer that repeats every 18 hours. Just set it according to your needs. When it comes to maintenance, keep it away from water as it's made of plastic. If it gets dirty, you can use a dry cloth to wipe it gently. Remember, don't try to disassemble it by yourself to avoid damaging the internal structure. Enjoy your decorative tree!