Paper shredder safety standards p 7 f 3 cut type cross cut cutting width 1 mm particle length 5 mm sheet capacity 80gm 4 sheets shredding capacity 70gm 5 sheets waste capacity 55 litre shredding capability paper noise level 56 dba series hsm securio feed opening 280 mm power consumption 580 watt cutting speed 39 mmin security level 6 weight 277 kg