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 equipement containing an appropriate T5 electronic ballast. ÔÇó 1.0 UVI for the synthesis of vitamin D3. ÔÇó Improves feeding and breeding behaviour. ÔÇó Full spectrum lamp. ÔÇó Produces excellent natural colours and iridescence. ÔÇó Always provide shade area for animals.