MAXXFAN CEILING VENT FAN WITH LID, 14-INCH BY 14-INCH- 22-0504The Maxxair Maxxfan 4 Speed Vent Fan is a 12 Volt, 4 speed for efficient airflow inside your RV, camper or trailer. It features keypad controls, a low profile manual opening lid, and can be used like a ceiling fan with the lid closed. Easy to operate with convenient ceiling keypad controls Manual opening low profile lid Powerful 4 speed motor 12 Volts DC Provides over 900 CFM to keep you cool and comfortable Operates with the lid closed to circulate