Maxxair 00-04500k RV Powered Opening Roof Vent – R/C – SmokeThis is a perfect vent for vans, trailers, or motorhomes with high roofs. The remote control allows you to operate multiple Maxxair 00-04500K’s with one remote. The smoked lid bings in a comfortable amount of light for your RV. It operates with 12 volt power, boasting a 12 inch – 10 blade fan. 10-speeds are available, for intake and exhaust. The built-in rain sensor will close the fan if it starts to rain. The fan can be installed in any standard 14″ x 14″ roof opening, the mounting screws and hardware are included, but the roof sealant must be purchased separately.Additional InfoFits Roofs2″ – 6-1/2″ ThickRough Opening Size14″ X 14″Vent Extends Above Roof:3-3/4″ Closed / 12-1/2″ OpenRemote StyleIR (Infrared)What’s IncludedRoof VentInterior GarnishRemote ControlWhat’s Not IncludedInstallation Kit (Metal or Fiberglass) Installation Kit (Rubber Roof) Interior Shade Interior Shade w/ LED