The arcadia d3 uv basking lamp is a high quality and performance lampr the product provides both uvb and uva visible light plus heat from just a single lampr important for reptiles development and healthaids the synthesis of vitamin d3r helps prevent metabolic bone diseaser stimulates reproductionr provides uvb uva visible light and infrared heat energy from a single lampr 35 degree beam angle for wide basking arear average life 5 000 hoursr no external ballast requiredr 1 year guaranteer i