The key difference between the Shark Navigator Lift-Away Zero-M Speed upright vacuum ZU562 (which is almost the same as the ZU560,ZU560C,and ZU561) and Shark ZU572 Rotator Lift-Away Pet upright vacuum are as follows:

Headlight:
The ZU560 series including ZU562 do NOT have headlights whereas the ZU572 has Led Headlights on the nozzle to help clean dark spots.

Bin Size:
The ZU560 series vacuum cleaners are compact size units, have a 0.9-quart dust cup whereas the ZU572 is a full size vacuum which has a bigger bin holds up to 1.75 dry quarts.

Included Tools:
The ZU562 comes with a Duster Crevice, Hair Removal Multi-Tool, and Pet Power Brush.
While the ZU572 comes with a 12-inch Crevice Tool, Upholstery Tool, and Pet Power Brush.

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Color:
The ZU562 is in Red Peony whereas the ZU572 is in Teal.

Comparison Table
Model#	ZU562	ZU572
Type	Compact Upright	Full Size Upright
Watts	800	800
Amps	6.7	6.7
Self Cleaning Brushroll	Yes	Yes
Lift Away	Yes	Yes
Powered Lift Away	No	No
Hepa Filter	Yes	Yes
Power Source	Corded	Corded
Cord Length	25 feet	25 feet
Auto Cord Rewind	No	No
Hose Length	6.6 feet	6.6 feet
Attachments	3 tools:Duster Crevice, Hair Removal Multi-Tool, and Pet Power Brush.	3 tools:12-inch Crevice Tool, Upholstery Tool, and Pet Power Brush.
Led Headlights	No	Yes
Bagless	Yes	Yes
Bin Size	0.9 quarts	1.75 quarts
Fingertip Power Control	No. The switch is on the top of the canister,not on the handle.	No. The switch is on the top of the canister,not on the handle.
Height Adjustment	No	No
Suction Control	Yes	Yes
Color	Red Peony	Teal
Warranty	5 year limited warranty	5 year limited warranty
User Manual	https://m.sharkclean.com/include/pdf/manual-zu560series.pdf	https://m.sharkclean.com/include/pdf/manual-zu572.pdf