Wall Lamp Spike S has more than a hint of Bauhaus styling. 5.12" x 13.39" H x 3.54" D. Stock Program: USA Stock. Indoor use/dry locations only. Lamp Holder: E12. Lamp Holder Quantity: 2. Length hanging method: ". Type of Plug: Not applicable. Voltage: 110 Volt. Max Wattage: 40 watt. Country of Origin: China.