Exo Terra Sun-Glo Basking Spot Lamp 100-watt broad spectrum daylight spot lamp for terrariums Neodymium gives terrarium animals and plants a more natural appearance Increases ambient air temperature; Creates a basking area for thermoregulation Stimulates breeding behavior through UVA rays R25 bulb; Can be combined with Night Glo or Heat Glo bulbs for 24-hour cycle