Exo Terra Repti-Glo 5.0 Compact Fluorescent Tropical Terrarium Lamp Stimulates appetite, activity and reproductive behavior through UVA radiation Ideal for all tropical and sub-tropical reptiles 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