Keep your reptiles warm and comfortable with the R-Zilla Reflector Dome 5.5. and 8.5. This incandescent light fixture is designed to deliver years of heat or light to reptile terrariums. Each reptile heat dome is topped with a ceramic socket to withstand constant heat of bulbs up to 150 watts. The black exterior and reflective white interior finishes are powder-coated for superior durability. The light reflector dome comes with a 6' power cord with an in-line on/off switch positioned near the fixture for easy use. Spring clips are included to affix the dome securely to the screen top. For the ultimate in custom convenience, the dome can be paired with the R-Zilla Power Controller to automatically match on/off times to your pet's sleeping and activity schedule. Each unit includes one reflector dome; additional items are sold separately.