BAYCHEER Round Glass Ball Shape Wall Sconce Vintage Industrial Edison Style Finish Lighting Fixture Wall Light Wall Lamp The Glass Shade Wall Lights can be used in Indoor Lighting, Hallway, Restaurant, Warehouse, Barn, Living Room and so on, but we do not recommend for outdoor use. Shade Width: 7.87 inch (20 cm), Shade Heigth: 7.09 inch (18 cm), Holder Length: 3.94 inch (10 cm), Arm Length: 7.87 inch (20 cm), Base Width: 5.91 inch (15 cm). Bulb types available include: Edison Bulb, LED, CFL or Incandescent. Bulb Base is E26 or E27. Recommended maximum per bulb power: 60w. Installation process is simple, if you have any installation problems can feel free contact us. (If you do not receive the instructions, please contact us directly.) The voltage of this light is 110-120V. Note: Bulb Not Included, if you need bulbs or other version, please contact us. (One year warranty. )