The 100% Jam Proof System electronically measures paper thickness to prevent jams. SafeSense? Technology stops shredding immediately when hands are too close to the paper opening. SilentShred? performance shreds without noisy interruptions. Mess reduction feature reduces fly-away shreds and prevents paper build-up on cutters. Recommended Shredder Users: 3 to 5; Run Time: Continuous; Shredder Type: Cross-Cut; Motor HP: 1.