This wall light have not USA Standard Installation Back Plate for this item at present . So it can't be mounted indoor. But it is suitable for outdoor. Adjust you want the effect of the light. the whole height of Irradiation is 2 M(up and down light). The wall sconce is also suitable for outdoor wall, best decoration for outdoor wall. Made of pure aluminum. 12 W warm white, 3.94 x 3.94 x 3.94 inches. Hard-Wired and Surface Mounting,Using screws to fix,not difficult to install, but suggest to install by a license electrician.