The Arcadia Infrared Basking Spot Lamp, Ideal for heating a vivarium during the day and evening Can be used with the SBF and SBS intensive heat spots A great source of heat for Ectothermic species Can be used with a thermostatic control system Low visible light, high heat Emits no UV-B or UV-A, just Infrared E27 / Voltage: 230-240V X = Wavelength (nm)Y = Relative Spectral Power (%)