The Halogen Basking Spot is an ideal supplemental lamp for use in conjunction with self-ballasted mercury vapour reptile lamps or fluorescent reptile lighting. The Arcadia halogen heatspots represent a huge leap forward in the quest to find a source of light and heat that is controllable and is also Eco-friendly. Excellent colour rendition, 2.5 / 3 times the life of tungsten filament lamps. Splash resistant hard glass construction. Dimmable. Emits no harmful UV.