Paper shredder media shredder safety standards p 4 o 1 t 2 cut type cross cut cutting width 4 mm particle length 40 mm shredding capacity 70gm 7 sheets waste capacity 18 litre shredding capabilities paper cdsdvds credit cards noise level 74 dba functions auto start stop reverse function safety shutdown series geha home office feed opening 220 mm power consumption 220 watt cutting speed 35 mmin security level 3 maximum operating time