Sanyi Vintage Wall Light Fixture Industrial Edison Double Swing Arm 1 Light Wall Mount Light Aged Steel Finished Wall Sconces Adjustable:Copper plating knob can be adjusted freely shade angel Size:18.5(Diameter)*21cm(arm-length)-7.2"*8.23" ,Suggested Room Size:10-15 Square meters Mini Adjustable Black Shade Lamp Apply to: Parlor,kitchen,Bedroom,Study Room,Restaurant, Corridor, Coffee Shop,bar,club... Seller Warranty:1) 30-Day Money Back Guarantee; 2) 12 Month Replacement Warranty