This is a PCB video mux module based on Maxim Integrated's MAX4311. The module can accept up to four video signals and the output channel is controlled by two 5V TTL signals.
These will adapt your RCA plugs into BNC. We sell them in sets of 5.
This is a MLT-42-F tracked robot platform and is equipped with flipper arms, 42mm motors, a motor controller, and Spektrum remote control. This rugged robot platform the treaded robot handles up to 15lbs of additional payload and travels 200ft/min.