Warm Tips 1. Please read the user manual carefully, which contains a professional introduction to the product, detailed operating procedures and precautions. It can help you use paint sprayer better. 2. Please choose the right copper spray nozzle and spray type before use. Check whether the container, paint tube and the spray gun body is tightened; In addition, we recommend that you test on cardboard or planks before important items like wall graffiti or furniture. 3.Please clean all cleanable accessories after use. This will help maintain the life of the paint sprayer and prevent clogging due to dry paint.