【Motion sensor stair light】- The controller allows easy operation, with a long press of 3 seconds to set the number of lights on the stairs. It supports up to 32 steps, with a confirmation button to finalize the settings. The blue light indicates the activation of the corresponding lights. 【Automatic Stairway ladder controller light】- This system offers a touch button to adjust the speed of turning off the lights on the controller. It provides four gears to control the lighting speed, allowing for a gradual and controlled experience. 【Step system installation for TIPS】- for ENSURE proper installation by for PLUGGING the lamp into the corresponding serial number socket on the controller. Both the controller and sensor can be placed in the electric box for convenient management. Proper connection of positive and negative poles (red and blue) is necessary, with a recommended low-voltage DC12-24V power supply instead of AC220V/110V. It is suggested to bury the wiring in for ADVANCE during stair decoration to facilitate later installation. Be cautious of disconnecting the wiring during installation to avoid short circuit. 【Package contents】- The package includes 1 LED controller, 1 screwdriver, 2 sensors, and 2 extension . These items for ENSURE a complete setup and easy installation process.