The Exo Terra Tight Beam Sun Glo has been specially designed as a basking spot lamp. The tight beam can be directed precisely on an area to create a basking site. The heat and light in the beam is increased by 35% allowing greater distances between the bulb and the basking site. The UVA (ultraviolet A) light contributes to reptiles\' physiological well being. - 35% increase of light and heat in the beam. - Creates a basking area for thermoregulation. - Increases ambient air temperature. - Stimulates breeding behavior through UVA rays. - Can be combined with Night Glo or Heat Glo for a 24 hour cycle. - S30/150w