Fresh air in the palm of your hand! Brings the fresh air in. Includes a radio frequency remote with wall cradle, 14 fixed settings, and 2 AA batteries. Twelve volt vent with low amp draw (0.2-1.9 amps) features variable speeds, rain sensor that shuts the dome when wet, reversible fan blade motor, high speed air flow and built-in thermostat. Lexan® dome lifetime guarantee. 2 year warranty. 1/box.