the Original Personal Fireplace that is fueled just by Isopropyl Rubbing Alcohol! With just 5oz of Isopropyl Alcohol, you will get a 45-60min burn time. 2.0 has a refined, clean and crisp look. Gone are the 3 adjustable feet. In their place is a quartz-like base custom milled to match the new unit. Lined with felt it still protects your surfaces manufacturing.