Replacement Bulbs as low as $4.00 each! Package include: E27 Dome+ 2 Replacement bulbs 1. Energy Saving: Out Lamp Lights produce the same level of heat and UVA waves as normal basking light by using almost half of the energy. (eg. 20W≈40W, 75W≈110W) 2. Cost Saving: Basking lights are consumables that need to replace regularly. When using Smart Herp Lamp Sets, you just need to replace the internal light bulb which costs dramatically lower than replacing a normal basking bulb. 3. Eye protection: The lampshade can block the lights directly to your eyes. It also enhances the heat and UVA waves in the basking area. 4. UVA waves: Our G9 Halogen bulbs specially build with UVA wavelengths, provide essential UVA to your reptiles. 5. Easy to install: with E27 socket, our lamp can fit in the majority reptile enclosures.