Perfect for use with Exo Terra Terrariums, its small size fits neatly on the top screen cover. The highly polished aluminum reflector increases light, UVB and UVA output by up to 100%! The Ceramic socket can accommodate either compact fluorescent bulbs or incandescent bulbs. Combine multiple fixtures with specific light bulbs to creat the ideal lighting system. Light Dome 18cm (7"). Ideal for use with all types of Exo Terra incandescent (maxiumum 75W) and compact fluorescent bulbs (maximum 26W), except for the Exo Terra Solar Glo and Ceramic Heat Emitter. Size : 18 cm (7in) Key Features : -Compact size -Extra deep, polished reflector dome -Increases UVB output by up to 100%! -With On/Off switch and 6ft (180 cm) power cord -Ceramic socket