The Arcadia D3 UV Basking Lamp is a high quality and performance lamp. The product provides both UVB and UVA visible light plus heat from just a single lamp. Important for reptiles development and healthAids the synthesis of Vitamin D3 Helps prevent metabolic bone disease Stimulates reproduction Provides UVB, UVA visible light and infrared (heat) energy from a single lamp 35 degree beam angle for wide basking area Average life 5,000 hours No external ballast required 1 year guarantee Ideally suited to smaller enclosures when a hotspot of UVB rich light is required Includes detailed instruction sheet