30″H Horizontal Bi-fold Door Wall Upper cabinets feature Blum Aventos HF hardware that fold two 15″h doors in the center when opening. These cabinets offer a sleek modern look and include one adjustable shelf. Most commonly used in kitchens with 84″ ceilings, these cabinets offer above counter storage for dinnerware and glasses. A simple touch to the front of the cabinet automatically lifts the bi-fold door system to reveal the inside of the cabinet. An integrated button is placed on the side of the cabinet to automatically close the door when pressed. The bottom of the cabinet is held up 1.5″ to accommodate under cabinet lighting when used. Conceal under cabinet lighting by adding light valance rips found in accessories and add ons. PLEASE NOTE: A Power Supply is needed to properly operate the Servo Drive and is sold separately. The power supply can be found in accessories and add-ons and one unit can supply power for up to 4 neighboring cabinets.