Exo Terra Repti-Glo 5.0 Compact Fluorescent Tropical Terrarium Lamps, 26-Watt (4 Pack) Pack of 4 Exo Terra Repti-Glo 5.0 Compact Fluorescent Tropical Terrarium Lamps, 26-Watt Stimulates appetite, activity and reproductive behavior through UVA radiation High UVB output, effective up to 12" Recommended in combination with Repti-Glo 2.0 for a higher visual light output Provides necessary UVB rays for optimal calcium metabolism