The new Day & Night LED light from Exo Terra is a convenient and energy efficient day and night light ideal for reptiles and amphibians with no UVB requirements. The low energy lighting device contains bright white LEDs to mimic sunlight with the ability to switch to the night light at the touch of a button, creating a night time atmospheric blue light with natural temperature drops you would experience in the wild. Available in two sizes Small (15 LEDs) and Large (23 LEDs).