It was this one: https://www.amazon.com/gp/product/B0CJNND118/ https://www.amazon.com/gp/product/B0CJNND118/ Super generic design. Probably the exact same ci

It was this one: https://www.amazon.com/gp/product/B0CJNND118/ https://www.amazon.com/gp/product/B0CJNND118/ Super generic design. Probably the exact same circuit board/chips as a dozen other similar switches you can find on Amazon.