HUSHTONE™ 2 Speed Motor: Less disruption with quiet 69 dB performance and a boost mode for high traffic areas Intellibelt™: Permanent belt protected by automatic shutdown when brushroll jam occurs Sealed Allergen System: HEXAGUARD™ technology traps 99% of dirt, dust and pollens down to 0.5 microns for cleaner air 15' Cleaning Path 40 Foot Extension Cord: Included No Tools/Assembly/Maintenance Required: Ready to use out of the box