Thats a sander.
RYOBI ONE 18V Cordless 3 in. Variable Speed Detail Polisher/Sander Tool Only PBF102B PBF102B - - Amazon.com
If you want to detail your car you need an orbital like this
TTI 18-VOLT 5 in. Variable Speed Dual Action Polisher (PBF100B) (Bulk Packaged, NO Retail Packaging) - - Amazon.com
Then you need pads like these
Buy Lake Country CCSWH5 Polishing Pad, 5.5-inch Foam Pad, White: Buffing & Polishing Pads - Amazon.com ✓ FREE DELIVERY possible on eligible purchases
Lake Country 5 1/2 inch Flat Foam Pads - A curved edge rounds out the features of these pads! Lake Country 5 1/2 x 7/8 inch Flat Foam Pads are a new take on a classic buffing pad. Lake Country's flat 6.5 inch foam pads set the standard for dual ...
White is probably right but you need to read. Then you need to decide which polish you like and the grit, start reading
Car care products for the perfect car preparation / detailing from Menzerna for the professional automotive trade. Car polishes as well as car care accessories for long-lasting and brilliant polishing results.
I suggest you discuss in the auto detailing forums where this is their obsession like auto geek or autopia. You have a lot to learn. You probably need more than two color pads, two different grits. But once you learn, you will have the skill forever and never pay a penny to an auto detailer.
Good luck and don't use that drill thing. You can burn through the clear coat. Get a real orbital.
You can also go over to Griots and start learning there.