Installation steps: 1. Connect the main line on the ceiling panel with the wire reserved on the ceiling with the wiring cap (pay attention to the positive and negative connection) 2. Fix the lamp body on the ceiling with the screws on the accessory package 34; bend the acrylic slightly and insert it into the lamp body Attention: 1. Please cut off the power supply before installation to prevent electric shock (installation by certified electrician is recommended) 2.