Zoo Med Infrared Heat Lamp is an ideal 24 hour heat source for all types of reptiles, amphibians, birds or small animals. Very little visible light provided so as not to disturb your animal's sleep patterns. Excellent for nocturnal viewing Great for all types of captive animals Very little visible light will not disturb your animal's sleep patterns Zoo Med Infrared Heat Lamp is excellent for nocturnal viewing of all types of captive animals.