​This 4" Square Cylinder is a versatile lighting solution designed for both new construction and retrofit commercial or architectural applications. It mounts easily to a standard 4" Octagonal J-Box and features a service-friendly design with the light engine and driver readily accessible for maintenance. An aluminum reflector with a semi-diffuse anodized finish provides a 45° visual cutoff for comfortable illumination, while delivering up to 2,175 lumens at up to 91 lumens per watt. The cylinder is available with an optional emergency battery backup and offers flexible mounting options including surface, stem (18", 30", or 42"), or adjustable cable mounting. Optical options are wide beam or wall wash to suit a wide variety of spaces.