AnovaCulinary - ANVS01-US00 Precision Vacuum Sealer, Includes 10 Pre-Cut Bags, for Sous Vide Kitchen and Food Storage

How do i turn it on

How does it handle a roll of bags? Can you cut them to size in the machine, or do you have to do it manually?

Whats the maximum size bag it can seal

I was sent this product as a gift. embarased to tell gifter but vacuum dosn't work. the sealer does. wanted it so much. can it be replaced?