Main one (which is a little pricey) is the switcheroo. Comes with a lifetime warranty: https://www.switcheroo.com/
I was thinking of the RunLessWire ones with the switch with no battery required, but it looks like they got sold to Philips. Nowadays it looks like several brands make a similar item: https://www.amazon.com/Self-Powered-Required-Wireless-Receiver-Lighting/dp/B0BRPKLL1Y
These are the stair lights I have: https://www.amazon.com/dp/B09DZ4SQNZ.
There are a whole lot of wireless outlet / light switch kits at low prices if you're looking to have a lamp somewhere a distance from the switch source.