Using a Smoke and Fog machine on your dance floor is the perfect way to add drama to your Homecoming or Prom theme. This professional-quality electric special effects machine generates 1800 cubic feet of smoke/fog per minute and one quart of liquid lasts 3-4 hours, so your teens can enjoy the special effects all evening long. The Smoke/Fog machine measures 12 in. long x 5 1/2 in. high (8 in. with handle) x 6 1/2 in. wide and is UL listed.