【Dimmer Switch】: Fixtures a dimmable switch on the base. Giving off flexible light for any space. A Dimmable Rotary Switch turns the light on/off, making the light to your needed brightness level adjustable. 【Adjustable Light Angle】: The flexible light head that offers you the maximum flexibility in your space; it can be adjusted up and down 90° direction and 180° left and right rotation. Apply to Suitable for any space where you think is appropriate to put. Such as home, specialty retail, grocery, galleries, museums, hospitality, residential and educational environments. 【Dimensions】 12cm/4.7 inches (Shade Diameter) x 17cm/6.7 inches (Shade Height); 21.5cm/8.46 inches (width from the wall to the outside of the light's shade); 3.15 inches (metal arm length from the base to the universal joint that connect the lampshade) 【Standard USA Require】: 110-120V for North America. Compatible with incandescent, LED, CFL, and halogen bulbs with E26 sockets and 40W Max. The BULB in the picture is NOT included in the package. 【Customer Services】: Pathson offers 12 monthly quality guarantee. If you have any problem when you are installing them, please email us. If you want more lamps, you can choose by clicking the store name“Pathson”. wall sconce