This is the 2ft sensor cable that ships standard with our TrainSpotter sensors.  It has a 1.0mm JST SH connector on one end and four 28AWG wires - red, black, blue, and white - for power, ground, and the two sensor outputs.   The other end of the cable is just loose wires, allowing them to be stripped and connected to terminal blocks or soldered into something.

It's designed for use with the TrainSpotter, TrainSpotter Right Angle, TrainSpotter Motion, and ATOM sensors, but honestly it's good for anywhere you need a 4-pin 1.0mm JST SH connector pinned out.