Commercial-grade Vacuum Sealer with an extra larger Non-Stick Bar for sealing bags up to 15" wide Double piston vacuum-pump delivers 28" HG vacuum strength with 715 watts of power Heavy-duty construction for top-of-the line performance Preserve foods 5 - 6 times longer than traditional methods Easy to use bright LED lights let you monitor the stages of the sealing process Automatic Mode has simple one-touch operation... let the onboard computer handle the rest from vacuuming to sealing