The UVA + UVB Sun Basking Spot Lamp delivers essential solar radiation for reptiles, including visible light, heat, UVA, and UVB. UVA generates the warmth that cold-blooded species naturally experience, while UVB facilitates Vitamin D3 synthesis, promoting healthy skin and bone development in your reptile. This self-ballasted UVA UVB reptile light operates without the need for an external ballast and features built-in thermal protection to prevent overheating. The package includes one REPTI ZOO Reptile UVA + UVB Sun Lamp rated at 160 W. If you have any inquiries regarding our UVA + UVB Sun Lamp, feel free to contact us, and we will respond within 24 hours.