The Arcadia GoldenSun Colored Basking Halogen Heater is expertly designed to emit a highly bioavailable, mid-beam, naturalistic golden glow for deep tissue warming within your reptiles. Available in 35, 50, 75 and 100W. CCT 2300 Kelvin. Arcadia GoldenSun Halogen lamps are powerful, crisp, bright and Infra-Red-A rich. These lamps are better reflected and insulated than standard glass lamps and therefore more energy efficient. This enables them to provide high levels of heat and visible light. The Arcadia GoldenSun Halogen lamp has a built in metal reflector for optimal light delivery to the basking zone. Beam radius is 9"+ at 15" with solid heating over the whole central area. Arcadia wide beam GoldenSun Halogen Flood Heaters are powerful and robust and should be used with a suitable dimming thermostat, UV and LED System.