Kenroy Home 91391BBZ is a single-light fixture compatible with 120V, 60HZ power supply and 100W max medium base type "A" bulb (not included). It can be mounted either up or down and can be used both indoors and outdoors, given its resistance to rain and other weather conditions. The fixture is relatively easy to install, requiring only basic tools and electrical knowledge, and all the necessary hardware is included in the package. The installation process involves attaching the mounting plate to the outlet box and then connecting the fixture wires to the supply wires.