The Exo Terra Sun-Glo Halogen Basking Spot Heating Lamp is a high-intensity daylight bulb that uses advanced halogen technology for greater light and heat output and a longer lifespan. Available in a range from 50 to 100 Watts, these lights create a bright, sun-like basking area that allows reptiles to thermoregulate effectively, and it’s more energy-efficient and durable than traditional incandescent basking bulbs. Available in Multiple Wattage options