Viewable window LCD displayer Adjustable timer and adjustable tempreture systerm Water cycling systerm which makes temperature difference controlled under 0.3C Easy and friendly usage panel, quiet working. Detachable power cord. Stainless steel rack suitable for most popular size vacuum bags Machine size: 380mm x 250mm x 220mm Cooking area: 300mm x 220mm x 150mm (8L) Powerful 800W heating systerm reach the setted temperature easily.