Exo Terra Daylight Basking Spot Lamp. A broad-spectrum daylight spot lamp with a Neodymium sleeve. The spectrum is ideal for plant’s photosynthesis and the UVA (ultraviolet A) light contributes to reptiles’ physiological well-being. The spot allows one to direct the heat and light in a certain direction to create basking sites in the terrarium. Broad-spectrum daylight spot lamp for terrariums Creates a basking area for thermoregulation Increases ambient air temperature Stimulates breeding behavior through UVA rays Can be combined with Daytime Heat Lamp or Night Heat Lamp for a 24-hour cycle Available Sizes: 25 watt, 50 watt, 75 watt, 100 watt.