Light Source ‚¬â€œ These light fixtures are approved for a 100-watt bulb although a 75-watt bulb (included) is recommended for cooler operation and longer life. Arm ‚¬â€œ Flexible gooseneck arms. Model 1069A is designed for use as a medical exam light and its gooseneck arm has a durable plastic covering for easy cleaning. Bases ‚¬â€œ Circular, weighted desk base, rectangular desk base with dimmer switch, clamp, or IV-Pivot Mount base that can be used with floor stands or other mounting options. Colors ‚¬â€œ Black, White, Almond, Dove Grey (Model 1069 available in Black or White only and Model 1075 is available in all four colors plus Machine Grey.) Warranty ‚¬â€œ 5 Year