acrylic column bulb in this LED Wall Light enhances the feel of room for 12volt DC RV, caravan, motor-home, travel trailer, boat, interior hallway, dining room, etc. Please add a proper transformer (not included) for household use of fine LED blub (not replaceable) as lighting source, put out 100 lumens cozy and soft light steel lamp base is finished in matte black. It is strong enough to ensure the light working is easy to control by its built-in ON/OFF mounting designed for simple installation. Mounting screws and caps included. Wiring tips: black wire is positive, white wire is negative.