The motion sensor activated LED stair light controller automatically turns on to illuminate the stairs when you reach the top or bottom step, and turns off when people leave. With daylight sensor, the PIR sensor not turn on the light when the ambient light is sufficient. Long the setting button to adjust speed, adjustable brightness, adjustable delay time, RGB and monochrome, pixel and color. Suitable for RGB light strips, LED Smart Stair Lighting Controller is suitable for monochrome light strips and RGB light strips. Select CH-1 if you are connecting a monochrome pixel LED strip to the controller. Choose CH-3 if you connect an RGB pixel LED strip to the controller. light controller has stable output and sensitive induction. Great for home stairs, malls, stores and more. Comes with mounting accessories for ease of use. Wide compatibility: stair lighting controller with anti-leakage system, DC12V-24V wide working voltage, stable output, supports almost LED driver ICs such as WS2811 WS2818 SM16703 TM1903. Colour:White Material:plastic Package Contents: 2 x Pixel Stair Lighting Controller 4 x 1M PIR Motion Sensor 2 x 2 x 1M Daylight Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.