Multifunctional PIR sensor stair light controller features daylight sensor, 2 groups different SPI(TTL) signal output. Group 1 SPI signal output to realize white light step or color light step control. Default is white light step control, use with ES-F step sub-controller to realize control of each step white light strip. Group 2 SPI signal output for color light flow control. Color light step or color light flow output, can drive 17 kinds of IC digital RGB LED strip, can set IC type and R/G/B order. Compatible ICs:TM1804, TM1812, UCS1903, UCS1909, UCS1912, UCS2903, UCS2909,UCS2912, WS2811, WS2812, TM1829, TM1914A, GW6205, GS8206,UCS5603, UCS2603, LSM16714D. Easy operation with OLED display and 3 buttons. Built-in multiple color mode, speed and brightness 1-8 grade adjustable. Use with two PIR body sensor heads (standard), or when precise sensing is required, the optional infrared reflector kit ES-T is available. Color: As Shown Material: plastic Package Contents: 1 x 24 Steps Stair Light Controller Kit 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.