Alternative 1: Manual foot operated height adjustment by hydraulic pump. Pedals for foot-controlled height positioning are bothsides the table. Alternative 2: Height adjustment by electromotive drive. The electric motor is controlled by 1 foot switch (possible option: Hand switch) Time of electric level positioning from min. to max.: 18 sec. Basic equipment: Lying surface 1-part: Length: 1.400 mm (other length on request) With 3-side upholstered border in covering of lying surface colour Border height: 150 mm Not movable.