Destroyit shredders feature their Comprehensive SPS safety package: Easy Switch control element uses illuminated color codes and symbols to indicate operational status and functions as an emergency stop switch; patented, electronically controlled, transparent safety shield in the feed opening; automatic power cut-off when cabinet is opened or shred bin is full; automatic reverse and power cut-off when overfed; double protection against overheating; Zero Energy Consumption sleep mode cuts off power supply after 30 minutes of inactivity.