The Exo Terra Day Glo is a broad-spectrum daylight lamp for terrariums. It increases the ambient air temperature which creates heat gradients for thermo-regulation and its UVA rays stimulate breeding behaviour. It can be combined with a Night Heat Lamp or Infrared Basking Spot Lamp for a 24-hour cycle. With a Neodymium sleeve it provides an ideal spectrum for plant photosynthesis and the UVA (ultraviolet A) light improves your reptiles physiological well-being