This one worked for me: https://www.amazon.com/gp/product/B07MZ4TMMH/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

Govee support responded way after I ordered the universal adapter, and said this one would work: https://www.amazon.com/VILTROX-Premium-External-100-240V-Certification/dp/B071GYVL7C