The Zilla Mini LED Plant Bulb will help brighten up any terrarium.Ê It is energy efficient at only 5 watts and provides a 6,500K spectrum of light perfect for low to medium light terrarium plants.Ê It fits into any horizontal mini halogen fixture.Ê Perfect for your planted natural vivarium. Perfect for the Zilla Low Profile Fixtures, Zilla Mini Heat & UVB Fixture or Zilla Pro Sol Fixture.