The panel is made of pure copper panel with a thickness of 1.2mm, and the surface is hand drawn and colored with purple copper. The unique luster emitted makes the appearance simple, fashionable, and not out of style, with the ultimate charm of craftsmanship. Recessed copper handle with smart lighting. Motion-activated lighting enhances luxury appeal. Equipped with German imported advanced smart locks that support fingerprint, password, remote unlocking, and smart home functions.