Until today, I was not aware that this was a popular product.
You can use a flashlight for bedikas chametz for those who help out or in a car because it is safer to use but not for Chanukah because it needs a shiur.
Actually,I’ve always wondered how it’s accepted across all shuls to have an electric menorah by the amud. Not saying there’s any problem with it, just seems like an item that would have been controversial when initially introduced, yet it’s acepted everywhere as if that’s the way it’s always been. But obviously it wasn’t there before the lightbulb!