The 79ci is a higher security cross cut shredder ideal for deskside use in a office or home office environment it is equipped with 100 jam proof technology which measures the amount of paper you are trying to shred and automatically stops and reverses if too much has been inserted as well as powering through misfed paper the 79ci features safesense which automatically stops the shredding process if hands come into contact with the paper entry and silentshred technology which minimises noi