Non-stop Jam Free™ technology prevents paper jams. Red light indicates too many sheets inserted. Simply remove extra sheets to continue shredding. This self-oil and self-cleaning shredder cross-cuts 18 sheets of paper into 5/32" x 1 3/4" pieces into a 13-gallon bin. Also shreds CDs, staples, paper clips and credit cards. 2 year machine warranty, 15 year warranty on cutters.