Adjustment of the welding time for wet and dry items. The adjustable welding time provides the optimal vacuum function for moist or dry food, making it especially suitable for sous-vide cooking. Roll width is a maximum of 30 cm for any length. Natural storage without preservatives is ideal for meat, fish, vegetables, and fruit. The adjustable vacuum level is perfect for soft or sensitive foods. It is expandable with a universal lid for vacuuming containers. Includes two free professional film rolls and a vacuum tube for containers.