Provides necessary UVB rays for caterpillars and the light is close to sunlight. It helps digest and absorb food, as well as calcium metabolism, essential for bone growth and the prevention of metabolic disorders. High UVB radiation is similar to the natural desert environment, with more direct sunlight and strong ultraviolet rays. It is effective for the synthesis of vitamin D and is particularly suitable for reptiles. Very suitable for reptiles, amphibians, fish, mammals and succulents.The temperature can be adjusted by turning the knob at any time. The head of the lamp can be rotated 360 degrees and the direction can be freely changed to control the position of the light (note: the distance between the bulb and the animal should be at least 30 cm). This turtle heat lamp can also be used for other E27 bulbs, such as fluorescent lamps, incandescent lamps, ceramic lamps, ultraviolet lamps, halogen lamps and LEDs