This power cord is for Movcam steadicam powering solution when using Kine cameras: its output is Professional 2-PIN push-pull plug, which matches the power sock of Kine cameras. Its input is 4-PIN aviation plug, which is used for Movcam steadicam power output. Typical Movcam steadicam used for Kine cameras is D201, D201.
The length of the soft cord is around 60cm.