The Exo Terra Natural Light is a full spectrum daylight bulb with a very high visual light output and high color rendering index (98 CRI). With its high visual light output and 6700K Color temperature, the Natural Light Terrarium Bulb is recommended as general light source for all terrarium types. The high light output makes this bulb suitable for planted terrariums and it is ideal for animals with lower UV requirements, such as snakes, amphibians (frogs, toads and salamanders) and nocturnal animals.