SMAD is a professional manufacturer of the home appliances, integrating development and production together. The single zone, 28 Bottles, 88 Liters freestanding wine cellar has one single compartment. Temperature can be chosen between 4C (39 and 65F) range which is ideal for storing red wines and to adjust to the lower of 12c (55-64f), suitable for champagnes and white wines. The shelves are fully adjustable to suit various wine bottle shapes and sizes. To prevent damaging the door gasket, make sure the door is fully open when pulling shelves out of the rail compartment. The control panel is located at the top of the appliance, it is very easy to set the temperature of the appliance and see what temperature the appliance is set to. The wine cellar has one single compartment.