Zilla Mini Heat & UVB Fixture is a 3-in-1 solution that combines essential heat, UVB and visible light in a single compact design Features: Can be used on a screen top or with the rimless turtle kit light rails. With sockets for both a g9 mini compact fluorescent bulb and mini halogen bulbs in a slim, low profile design. The min g9 uvb/heat dome is the most energy efficient and stylish reptile fixture on the market. Contains built in reflectors to increase heat and uvb protection. Bulbs sold separately. The zilla mini g9 uvb/heat dome is the most cutting edge technology in reptile lighting.