UVB Bulb: Our reptile heat bulbs feature integrated UVB light, providing the necessary ultraviolet rays to support reptiles' calcium absorption, vitamin D synthesis, and overall well-being. Benefits of Heat Bulb: The reptile bulb simulates sunlight, ensuring your reptile feels comfortable. Its composition promotes vitamin D3 synthesis for healthy skin and bones, aiding calcium absorption. Also, it provides warmth for cold blooded animals. Safe Material: The reptile heat lamp bulbs are made from safe materials, providing you with confidence in their use. Additionally, a plating process ensures anti-oxidation and explosion-proof properties. Strongly Recommended: The reptile heat light bulb should not be used continuously for extended periods, as it may reduce its lifespan. It is advisable to use it for 3-4 hours per day. Additionally, this bulb is compatible with standard E27 lamp bases. Suitable for Retile & Amphibians: The heat light bulbs are suitable for a variety of animals, including hatchling reptiles, amphibians, and invertebrates. These animals may include turtles, tortoises, spiders, tarantulas, snakes, lizards & frogs.