The Halo H247ICAT is designed for energy efficient downlighting using high wattage compact fluorescent lamps. The lamp socket aiming mechanism provides adjustability in sloped ceiling installations for ceilings from 2/12 to 6/12 pitch. The H247ICAT housing design is sealed and gasketed to limit airflow between attic and living areas. Includes 120V NPF electronic compact fluorescent ballast. Compact fluorescent with thermally protected electronic ballast. Electronic ballast 120V, 60 Hz, NPF. Slope indicator provides quick and consistent lamp settings.