Discus Max Wattage + CCT Selectable with PIR - 110V Commercial Ligh...The DSM1528PIR CCT downlight can be set at 15W, 22W or 28W to customise the fitting perfectly for the surrounding environment & is also colour temperature selectable too so customers can choose between a cool white, warm white or daylight colour to suit the application. This version comes with an integral PIR Sensor to detect movement.