October 18, 2016 – ConTech Lighting has introduced the specification grade 4-in. square recessed downlight, delivering over 3600 lumens.

The R4SQ lights are available in new construction, StopAire, insulated ceiling and remodel systems in four colour temperatures. Utilizing “optically engineered” glass TIR optics, the R4SQ is designed to provide beams in narrow, medium and wide distributions and the mounting frame features a mechanism to allow a 1⁄4-in. adjustment in all directions.