This is a 4 pin to 6 pin LED wire. The length of the wire is about 390mm.
4 pin 2.0mm pitch side, P1=2 wires sand P4 two wires
6 pin 1.25mm pitch side: P1 and P2 no wire. P3.P4,P5 and P5 have wires
6 pin 1.25mm pitch side is compatible with the following LED connectors: