Shark DuoClean NV771 VS. Dyson V7 Motorhead

300 Air-Watts.

This device can be used commercially because it is very powerful and provides consistent power since it’s corded.

DuoClean technology features a bristle brush to deep-clean carpets and an additional soft Brushroll to pull in larger particles and directly engage hardfloors for a polished look.

The DuoClean-motor spins at up to 125,000-rpm.

The included Pet-Multi Tool facilitates for ultimate pet-hair cleaning on all surfaces.

This vacuum-cleaner is corded and will provide longer run-times using direct power.

It a bit silent when operating compared to most vacuum-cleaners on the market.

DuoClean technology uses a bristle brush to deep-clean carpets.

This unit is very easy to clean and comes with washable filters for easy maintenance.

Lift-Away technology allows you to quickly release the canister and lift the wand to easily clean hard-to-reach above the floor areas like; blinds, ceiling fans and counters.

This vacuum comes with swivel steering technology that facilitates for excellent control when maneuvering around furniture.

Yes

This vacuum weighs approximately 13-pounds and even lesser pound when in Lift-Away mode thus making it very lightweight and portable.

It features Lift-Away technology that allows for quick release of the canister to lift the wand for easy handheld cleaning of hard-to-reach above the floor areas.

Maximum unit's power is 900-watts coupled with a powerful DuoClean motor.

The dust-cup holds 0.9 dry quarts to the MAX fill line.

Features Anti-Allergen Complete Seal Technology and a HEPA-filter for trapping dust and allergens inside the vacuum while cleaning.

This vacuum comes with LED-headlights for excellent visibility when cleaning dark-areas.

3 power-modes of: (high-pile carpet, low-pile carpet and bare-floor).

Duster-Crevice Tool & Pet Multi-Tool.

This vacuum-cleaner is produced with a combination of durable ABS and PP plastics along with some metal and rubber components.

This unit is fairly priced and affordable.

• Compact sized. • DuoClean technology. • Lift-Away technology. • Swivel steering technology. • Bristle brush to deep-clean carpets. • Soft Brushroll to clean hard-floors. • Pet multi-tool and duster crevice tool. • LED headlights for excellent visibility. • Brush roll garage for easy brush roll access. • Anti-allergen complete seal technology plus HEPA filter.

 It is a bit heavy & not cordless.  Lacks an auto retracting cord.