Calculite ProSpec Linear Downlight PB1M1675 two light 75W MR16 Series B. Trimless, black aperture finish. Provides clean support for lamp holders and trimless installation. Extruded aluminum. Rigidly welded together on all corners. 15 x 5 opening. Allows 360 horizontal and 45 (on width) and 45 (on diagonal) vertical adjustment. Electronic transformer.