STAIR LIGHTS SYSTEM: Indoor motion sensor wired stair lights kit includes light strips, wiring, motion sensors and a controller, perfect for a stair case that you can get rear access to or new construction. 9 LIGHTING MODES: The controller offers 9 different modes, from all on/off simultaneously, cascade, every 2 step, every 3 steps…runway lighting affect, also control the speed, brightness and length of time they stay on. MOTION SENSOR STAIR LIGHTS: There are two sensors, when you go up it light up one by one from the bottom to the top. When you go down , it light up from the top, providing a safe and well-lit pathway. COB LED Light No light Spot: The stair light strip cob system is equipped with 16 pieces of 20 inch COB flexible light strip, come with stair control program. COB LED light strips have a width of 0.31 inch and a thickness of 0.1 inch, easy to hide the wiring under carpet or down the step edges 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, under carpet or behind baseboards or trim. Installation needs to be planned in advance.