The Zilla Black Reflector Dome incandescent light fixtures are designed to deliver years of heat or light to reptile terrariums. Each 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 added luster and long life. 6 ft. power cord with an in-line on/off switch is positioned near the fixture for easy use. Spring clips, to hold dome securely on screen top, are included. Powder-coated black on the outside and reflective white on the inside for added luster and long life Ceramic socket that lasts under high heat 6-foot power cord with on/off switch Included spring clip holds dome securely in place on screens Available in 2 sizes: Compact 5.5" size fits up to 60 watt bulbs Product Dimensions: 9 x 6 x 7.375" Large 8.5" size fits a wide varitey of incandescent, fluorescent and ceramic heat emitting bulbs Product Dimensions: 9.25 x 6 x 8.75" Style: Fluorescent/Incandescent