Functions: Input : 12VDC / 24VDC Output : 12VDC / 24VDC, Max. 15W/CH, max. 400W Output Type: 32 steps-32 CV single color strips Sensor: 2 PIR human body infrared sensor switches (Recessed) PIR sensor mode: Light on when stepping on the stairs; light off when leaving Speed Grade: 5 grades Dimensions (W×H×L): 186×21×81mm