This handmade minimalist design lamp is made from solid brass in a brushed finish. The horizontal arm can be set at any angle and locked into position. The piece is designed to be fitted with a standard e27 or e26 thread bulb, with an edison 15-60w bulb recommended. The lamp is suitable for 230v and 110v with grounded 2 or 3 pin plugs. The bulbs from the main picture are 'edison' bulbs model t300 long about 30 cm. The light bulb is not included. The maximum height is 60 cm or 23.6 inches, the arm length is 72 cm or 28.3 inches, and the ceiling canopy diameter is 4.2 cm or 1.65 inches. up to 250v (europe/uk standard).