The fully automatic 3-leaf landing door is an advanced and practical product that provides you with easy and safe access to the building using state-of-the-art technology. The fully automatic 3-leaf landing door, with its unique capabilities, meets your everyday needs. Highlights of the fully automatic 3-leaf landing door: Intelligent control system: This door is equipped with advanced sensors that allow for obstacle detection and automatic adaptation to the environment. The intelligent control system opens and closes the door fully automatically.