Shark Rotator Powered Lift Away NV755 VS. Dyson V7 Motorhead

It has a good suction power of: 270-AirWatts.

This unit can be used commercially because it is very powerful and provides consistent power.

It features fingertip-controls on the handle that allow you to switch effortlessly from carpet to bare floor cleaning.

Its motor spins from 5,000-to-125,000 rpm.

The mini motorized brush picks up pet-hair and loose-debris on all surfaces.

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

The noise-level ranges between 65-and-70 db makes this device a bit silent when cleaning up your home.

The carpet-mode features 2-settings of: low-pile-mode that deep-cleans normal carpet types while thick/area-rug mode deep cleans high-pile and thick carpets.

This vacuum-cleaner is easy to clean and comes with washable filters for easy maintenance.

Powered Lift-Away Technology extends the reach of the cleaning-head to get all the way in, around, behind and under every tough-to-reach area of your home.

it is armed with advanced swivel steering technology that provides excellent control when maneuvering around furniture

Yes

It weighs 17.04-lbs in upright-mode and 4.3-lbs in handheld-mode which makes it ultra-lightweight and easy-to-use anywhere around your house.

Powered Lift-Away technology provides uninterrupted handheld floor-to-ceiling cleaning.

It uses 1150-watts of power coupled with a strong DuoClean motor.

The dust cup holds 3.57 dry-quarts (Large dirt capacity).

Anti-Allergen Complete Seal Technology and a HEPA filter help to trap dust and allergens inside the vacuum.

It features LED lights on the handle and nozzle illuminate your work-area and make hidden debris easy to find.

3 power-modes of: (high-pile carpet, low-pile carpet & Barefloor).

Dust-Away Hard Floor Attachment, Washable Microfiber Pad, Air-Driven Pet Brush, Pet Upholstery Tool, Duster Crevice Tool & Dusting Brush.

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

This unit is affordable and has a fair price.

• HEPA filtration. • Deep cleans carpets. • Extra-large dust cup. • Floor-to-ceiling cleaning. • Powered Lift-Away Technology. • LED lights on the handle and nozzle. • Anti-Allergen Complete Seal Technology. • Fingertip controls for easy powering on/off. • Pet Power Brush for ultimate pet hair cleaning. • Dust-Away hard floor attachment to clean hardfloors. • Quick transition between hard-floor and carpet-mode.

 It is not cordless.  It has a heavy cord.