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. Full Spectrum UVA + UVB Sunlight 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 OutputImproved concave and convex reflector improves UVA spectrum and provides more direct sunlight and radiation Higher UV. Easy and Wide UseThe heat bulb uses a standard E27 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, tortoises, chuckwallas, etc. Color : silver Size: 5*5*5cm Quantity delivered: 3 pieces Product dimensions are all measured by hand, there are errors and the actual product shall prevail. Product color is affected by shooting light view and there is a slight color difference, which depends on the actual product received.