1. Light design helps to position DOE 2. Assemble flex of dot projector 3. Anti-scalding fast clamping module 4. Fast positioning of flex assembly 5. Face ID/ture tone reballing stencil 6. Special dot projector fixture, anti-scalding 7. Light design helps to position DOE 8. Dot projector/true tone laser reballing stencils 9. Flex cables groove design