High Quality MaterialThe 75W Tortoise Heat Lamp Bulb uses silver plating process to ensure anti-oxidation and anti-explosion. it uses an evacuated glass tube to extend the life of the lamp. UVA + UVB Full Spectrum Solar Lamp The UVB bulb provides warmth for reptiles in the cold season. beside it contains 97% UVA which stimulate appetite, 3% UVB promote vitamin D3 synthesis, fully absorb calcium. Bring sunlight home to prevent disease and promote growth. Improved UVA Output: An improved concave and convex reflector improves the UVA spectrum and provides more direct sunlight and a higher UV radiation. Easy and Wide Use The heat bulb uses standard E27/E26 screw base for simple and easy installation. It is suitable for a wide variety of reptiles and amphibians, including turtles, lizards, bearded dragons, snakes, frogs, iguanas, turtles, chuckwallas, etc. Safety Safe and CE certified materials give you peace of mind.