Features: The LED stair light controller detects movement within 1.5 2 meters ranges at both top and bottom of stairs, ensuring seamless automatic lighting for enhanced convenience and safety for home or commercial spaces. Features 9 adjustable speed option and 4 brightness levels (25%, 50%, 75%, 100%) for adjustable illuminations, creating perfect ambiances from soft glowing to bright light for different needs. Built with stable DC12V 24V power input and leak proof design using ABS, ensuring long lasting operations for PIR sensors step lights in various environments. The controller includes intuitive function buttons for easy adjustment of modes, delay time, brightness and speed, allowing quick customization of stair lighting preferences. Comes with all necessary components including 5m extension cable, 1m sensors wire, mounting brackets, screws and user manual, supporting both recessed and surfaces mounting for LED step lights. Specifications: Substance: ABS Size: Approx. 5.86x3.22inch/14.9x8.2cm Package Includes: 1 Set Stair Light Strips Controller note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.