SMG-C004 COP (Car Operation Panel): This panel is found inside the elevator car. Its function is to allow passengers to select their desired floor, activate door open/close commands, and utilize emergency features (like an alarm button or intercom). As a newer model, the SMG-C004 likely incorporates the latest design trends, improved button durability, potentially more advanced display technologies (e.g., higher resolution screens, interactive touch interfaces), and enhanced ergonomic considerations for a premium in-cabin experience.