Exo Terra Repti-Glo 5.0 Fluorescent Lamp, 14 Watts, 15 Inches Ideal for all tropical and sub-tropical reptiles High UVB output; Effective up to 12 inches Provides necessary UVB rays for optimal calcium metabolism Stimulates appetite, activity and reproductive behavior through UVA radiation T8, 15 inch long light bulb; 14 watts