Description Each string light has 20 modules, between the module and module train ties is connected by 4P dress rehearsal, line, The color respectively is red, yellow, green, blue (Red: DC12V, Yellow: GND/-DC12V, Green: DAT signal wire, Bule: clock CLK signal wire). The head of each string light with male tie-in is IN signal. The cauda of each tring light with female tie-in is OUT signal. The circuitry pannel of module has two ports, the port signing IN letter and with a black diode is the input port fo signal wirre. The port with OUT letter is the output port for the signal wire. Physical Specifications Input Voltage DC 12V Work Current 0.06A Work Temperature -45 degree -- 65 degree Consumption 0.72W / PCS Waterproof Rating IP68 Pixel configure 3R / 3G / 3B Cover Material Clarity / Creamy white PVC Controller System SD card Size of LED light 79mm x 18mm x 9mm