Led Lamps/Outdoor lamps/Home Decor , Super Bright LED light, 100% High Quality Amazing Lighting Effect - Long Working life , Excellent Stability-Long working hours and Easy to install , Application widely used in Interior and Exterior decorations such as Home ,Hotels, Shopping malls,etc.Installation 1.Use a Screwdriver to screw out the bolts which connected the Mounting base and main fixture. 2.Connect the power cords of the wall lamp to 110v or 220v Circuits (No distinction between live line and zero line, one for live line and another for zero lineline) . 3.Fix the mounting base on the wall(wooden wall using self tapping screw to fix ; cement wall, drill holes to install;if you have suitable electric box fix this wall light) .