OPTIMAL PERFORMANCE: 110 watts, equipped with a powerful piston pump with a seal only switch to prevent over vacuuming and crushing of delicate foods EASY TO USE: Fully automatic, one-touch operation and automatic shut off makes it so easy to use. The unit has a powerful piston pump with a seal only switch to prevent over vacuuming and crushing of delicate foods BUILT-IN STORAGE & BAG CUTTER: Conveniently store rolls and bags in unit, while the bag cutter helps to create custom bag sizes for your needs SEALER BAG ROLLS INCLUDED: Two 7. 9" x 9. 8' rolls, Five 8. 6" x 11. 8" quart-sized bags, and Five 11" x 15. 75" gallon-sized bags COMPATIBILITY: Vacuum chamber accommodates bags up to 11. 8" wide