Aero Snail Industrial Antique Metal and Crystal 4-light Round Chandelier Living Room Pendant Hanging Lamp Voltage: 110V-120V;Suggested Room Fit: 10-15sq Meters Hallway, Study Room/Office, Dining Room Fixture Dimensions: H8" x W16" x L16"; Chain/Cord 31.5" Adjustable,Canopy 4.7" Bulb Not Included: 4 x E26 x Max 60W per Bulb Assembly Required and Easy to Install: Installation accessories and instructions are included in the package. But we still suggest you invite a Electrician to professionally install. Aero Snail are pursuing highest customer shopping satisfaction on amazon. Should you have any question or concern or require any assistance, you may simply write to us.