Lighting from Reptile systems - manufactured and tested in Europe For best results use with a T5 luminaire or Electronic Controller and replace after one year of normal use. This lamp will only operate when used with equipment containing an appropriate T5 electronic ballast. This lamp is ferguson zone 3, and produces high levels of uvb. Perfect for desert Bearded dragons - other agamids - Uromastyx lizards etc.  • 4.1 UVI for the synthesis of vitamin D3. • Improves feeding and breeding behaviour. • Full spectrum lamp. • Produces excellent natural colours and iridescence. • Always provide shade area for animals.   Read more