As I mentioned, a laptop lock is a deterrent, not an infallible theft-prevention tool. Obviously, a determined thief could remove the anchor plate, but only with some difficulty. The security cable is 6.5 feet long and can be attached to any fixed object. You can stick this onto any laptop, tablet, phone, or any other item you wish to protect as long as it has a hard surface for the anchor plate to adhere to. Don't worry about size or compatibility at all. If you're looking to spend less, I'd go with the 13C Laptop Cable Lock. Kensington offers a two-year warranty and lifetime technical support.
You can choose either a keyed lock or a combination lock when you order. Scratch-resistant bumpers along the back protect your MacBook from cosmetic damage. There no modifications to your MacBook necessary, no adhesives, nothing permanent that could affect your warranty. On my M1 MacBook Air, I often have issues with the video from the Elgato adapter freezes until I plug/unplug the hub or adapter. It will not interfere with your MacBook's Touch Bar. I have an Aukey USB-C hub that I used successfully with my 2020 MacBook Air with an external Kinesis keyboard and either two USB hard drives or an Elgato USB-HDMI 4K video adapter. I like the fact that it's compatible with any MacBook or any laptop up to 15 inches and that it doesn't require any adhesives or permanent modification to your MacBook. My personal pick would be the Kensington MacBook Laptop Locking Station. No lock can keep a determined criminal from stealing your laptop, unfortunately, but any of these will act as a theft deterrent. $43 at Amazon Which of the best locks for MacBooks should you choose? It's got industrial strength 3M VHB adhesive and can withstand 100 pounds of force.
No matter what model MacBook, MacBook Air, or MacBook Pro you own, even if you have a non-Apple laptop, this will lock it securely.