Incandescent Pet Lamp 100W A21 Daylight Bright Neodymium Full Spectrum lamp provides UVA heat, just like natural sunlight. Perfect for the health and well being of reptiles and other critters that benefit from sunlight exposure to thrive. Neodymium coating offers optimal color enhancement of reptiles, birds, small mammals, amphibians, and more. These bulbs are rated to last up to 5000 hours of use and feature a manufacturer warranty of 1 year from purchase. Fully dimmable.