The material of this spray gun kit is metal, with an atmospheric and upscale appearance, and a comfortable touch. We use high-precision materials and large capacity batteries, and the product has a long service life. You can use it for gift giving, artistic creation, cake decoration, nail enhancement, etc., to give you a better user experience. Supports USB charging, providing you with multiple charging methods. The entire set includes a host, a spray gun, 3 water bottles, a USB charging cable, instructions, a brush, and a dredging needle.Note :1. Do not use solvents that contain harmful substances, such as lead-containing solvents, as they will release harmful substances. 2. After using other liquids, please clean the nozzle with alcohol or water in time. Simply pour alcohol or water into the container and spray water normally, which will remove impurities from the nozzle. 3. Please ensure full charge when using for the first time, so as not to be unable to charge. When not in use, please turn off the switch in time to avoid damage to the motor. Usage :1. Add water, alcohol, or cleaning solution to a liquid cup and spray. 2. Try a reverse flush. Cover the nozzle with your finger or tissue and gently press the trigger. This helps clean the narrow cavity around the needle. Please note :1. Test the gun with water before use to make sure it is not clogged. 2. When the spraying work ends or stops working for more than 10 minutes, please use the cleaning brush to thoroughly clean the nozzle and cup of the spray gun in time. 3. After 30 minutes of continuous use, let the spray gun stop working.