The Lithonia Lighting VTLED luminaire from Acuity Brands is a recessed LED indoor ambient fixture which offers 1V to 10V dimming and comes enabled with the nLight intelligent controls interface. It is available in a 2' by 2' configuration with a 2,200- or 3,200-lumen package and a 2' by 4' configuration with 4,600 lumens, both with efficacy up to 96 lumens per watt. VTLED volumetric properties increase perceived lighting level, improve visual comfort, and reinforce a sense of occupant security.