High Quality MaterialThe 50W 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 OutputAn Improved Concave And Convex Reflector Improves The Uva Spectrum And Provides More Direct Sunlight And Higher Uv Radiation. Easy And Wide UseThe 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 And Service Safe, Ce-Certified Materials Give You Peace Of Mind. We Provide 365 Days After-Sales Service For All Products. If You Have Any Questions Or Product Issues, Please Feel Free To Contact Our Professional And 24-Hour Online Service Team.