The Zilla Halogen Mini Dome provides a convenient alternative to regular domes. Smaller in size, it takes up less space on a terrarium top but still packs a powerful heat and light punch. Each unit comes with a reflective aluminum interior, spring mounting clip to keep dome in place and a 6 ft. power cord with on/off switch. Uses Mini Halogen Light Bulbs, choose wattage and color. Bulbs are not included.