【Motion sensor stair light】: This product features a motion sensor stair light system that automatically turns on when detecting movement. Perfect for illuminating stairways and ladder systems. 【Automatic Stairway ladder controller light】: The controller provides easy operation and customization options. With a long press of the button, users can set the number of lights on the stairs, up to 32 steps. The blue light indicates the activated lights. 【Step system with adjustable settings】: Users can adjust the speed at which the lights turn on and off with a simple touch of the button on the controller. The four adjustable gears allow for personalized lighting effects. 【Easy installation tips】: When installing, it's important to connect the lamps to the corresponding serial number socket on the controller. The controller and sensor can be placed in the electric box. The wiring should be properly connected, with red as the positive and blue as the negative. It is recommended to bury the line in during stair decoration.