Specifications： *Product name: 32-channel stair sensor controller *Voltage: DC12V/DC24V *Power: 400W MAX *Channel: 32 (set to 1-32 step) *Sensors: 2 Pir Sensor Package Contents: 1pcs LED Controller 2pcs sensor 2pcs extension cord 1set cord Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. *set1：Long press to set 1 indicator light flashes red, then press to set. to adjust the speed from 1-5 (speed 1 is the slowest, speed 5 is the fastest) *set2：Long press to set 1 indicator light flashes red light to stop flashing red light, adjustable 1-5 delays (no delay +10 seconds, the first delay is 10 seconds, the second delay is 20 seconds) *set3：Long press to set 2 the indicator light flashes red, then press to set 1 to set the number of stair steps (press to set 1 to increase the number of steps, and to set 2 to decrease the number of steps)4 When the light is on, press Set 2 to adjust the brightness from 1-5 levels (1 level is the darkest and 5 levels are the brightest) *Important note: The positive and negative terminals of the power supply input of the controller cannot be reversed, the red wire V+ is connected to the positive electrode of the switching power supply, and the blue (or black wire) V- is connected to the negative electrode of the switching power supply.