BAYCHEER HL371812 Industrial Wrought Iron Warehouse Semi-Flush Mount Ceiling Light - Ceiling Lighting with 1 Light Black The Semi Flush Mount Ceiling Lights Can be used in Indoor Lighting, Warehouse, Barn, Hallway and so on, but we do not recommend for outdoor use. Fixture Height: 7.87 inch (20 cm), Fixture Width: 10.23 inch (30 cm). Bulb types available include: LED/Incandescent/Fluorescent, Bulb Base is E26 / E27. Recommended maximum bulb power: 40w. Installation process is simple, if you have any installation problems can feel free contact us. Note: Bulb Not Included, if you need, please contact us.