✔ DUSK TO DAWN LIGHT EFFICIENCY: Photocell control provides night time on, daytime off to ensure efficient energy usage to save you money. Also, this wall sconce lighting is decorative wall-mounted fixture that provides a beautiful light for entryway, doorway, foyer, corridor, balcony, patio and porch.✔ OUTDOOR WEATHER RESISTANT - Our wall sconces with heavy-duty rugged metal construction and clear glass panels, ideal for any outdoor environment.✔ ONLY 3 STEP INSTALLATION - Attach the cross bar to the junction box， connect the wires and then fasten this wall light to the cross bar.✔ BULB REQUIREMENTS: 2x E26/Medium Base 60W Bulbs ( Bulbs Not Included)✔ ETL LISTED FOR SAFETY: Worry-free 1-Year against any defect in materials under normal use and service after proper installation. Please feel free to contact us for the support if you need any technical help.