Using this Access Lighting ModPLUS LED Flush Mount is easy. First, find a suitable ceiling spot for installation. Make sure the voltage in your area is within the 120 - 277v range. Once installed, it will automatically provide light. In case of an emergency, the backup function will kick in to keep your space illuminated. When it comes to maintenance, gently clean the acrylic fixture and shade with a soft, dry cloth. Avoid using harsh chemicals as they may damage the surface. Check the lamp periodically, and if it burns out, replace it with an appropriate LED lamp. Also, keep in mind that this product is not ADA compliant or suitable for dark - sky areas, so use it accordingly.