1.Bulbs Recommendation: This classic chandelier requires 4 x E12 bulbs, Max 60W per bulb, Voltage 110-120 Volts (Bulb Not Included), it works well with LED, incandescent, compact fluorescent, halogen bulbs, etc, recommend LED to save cost and be eco-friendly. 2. Various Ceiling Compatible:This traditional family chandelier compatible with all ceiling types including flat, sloped, slanted, and vaulted ceilings,can be easily installed on sloped ceilings. 3. Adjustable Height: This classic adjustable chandelier comes with adjustable rods, hanging height from 15.33"" to 70.45"", you can customize it to fit your space perfectly. 4. Dimmable: This Industrial style chandelier is dimmable and can be dimmed to achieve any lighting effect you want when using dimmable bulbs and compatible dimming switches. (Bulbs and dimmer switches are not included). 5. Assembly required: All installation hardware and instructions for this metal frame kitchen island chandelier are included in the packaging for quick and easy installation. You can contact us anytime if you have any questions.