Paper shredder safety standards e 3 p 4 t 4 cut type cross cut cutting width 4 mm particle length 39 mm sheet capacity 80gm 5 sheets shredding capacity 70gm 7 sheets waste capacity 14 litre shredding capabilities paper credit cards noise level 72 dba functions reverse function auto start stop series hama premium feed opening 220 mm cutting speed 32 mmin security level 3 maximum operating time 2 minutes colour silver