"The Arcadia Reptile GoldenSun Colored Basking Spot is expertly designed to emmit a highly bioavailable, intense-beam, naturalistic golden glow for deep tissue warming within your reptiles. Available in 50, 75, 100 and 150W. CCT 2300 Kelvin Arcadia GoldenSun Spot Lamps have a tight focused beam that will allow for intense heat provision on a concentrated basking spot. Experty designed to increase ambient temperatures with a focused beam for intense basking. This is essential for desert basking species and for those species in taller enclosures. The lamp has an inviting warm color and uses standard E26 fittings. Use with a thermostat and alongside a species appropriate Arcadia Reptile UVB and LED System. "