Many crappy US lights have been grandfathered to be allowed inside US waters ONLY .
For a cruiser an international legal unit may provide 2x or more visibility , abet with a higher initial cost.
The name of the game is to be seen!
We use a commercial grade Perko , which has no relation to their yachty stuff suitable for 20meters and up.
Using a very bright LED , with rebuilt mount to center it in the glass lens. its a great anchor light, with modest draw.
Similar to this , but in a older metal housing.