Sensor Stair Lights Complete Set: The intelligent stair lighting system comes with everything you need for an installation of up to 16 steps. Including the main power supply with separate power cord, control module, 16 LED strip lights, extension cables, 2 motion sensors and installation hardware for the modules and the lights. Motion Sensor Function: The motion sensor activated LED stair lights will lighting up your stair treads automatically step by step as soon as movement is detected by the top or bottom sensor, ideal for dark stair case, enhancing home safety and adding a dash of modern flair, suitable for renovating basement stairs. Step-by-Step Light-up Mode: Total 16 steps adjustable, 9 speed adjustable, time delay adjustable, brightness adjustable, all lights on or off one by one mode, the number of stair lights is adjustable, maximum 16 stairs. Suitable for stair wide less than 20 inches. Energy-saving COB LED Strip Light: This indoor stairway motion sensor lighting kit adopts high CRI 90 COB LED linear light source, no light spot, high light efficiency, 6watt per stair, more energy-saving, COB LED light strips have a width of 0.31 inch, easy to hide the wiring under carpet or behind baseboards or trim and do not take up space for stair treads. Installation Recommendations: You can install and hide the controller in the closet under the stairs, below mid-landing, back deck stairs, under bottom step; hide the cable down the edges, or use wood router and recessed pockets in to the bottom of each tread to hide the cables, under carpet or behind baseboards or trim. Installation needs to be planned in advance. Indoor motion sensor wired stair lights system includes light strips, wiring, motion sensors and a controller, suitable for a stair case that you can get rear access to or new construction.