One new kit as shown.
Super deal (the D10CEA-CBL cable alone is $70.99 online)
This kit includes the converter, power supply , and cable
New or could be a factory repack, as the instruction manual is a little handled looking.  We obtained this in a lot of all new surplus video equipment.

See pictures, this is the actual set you will receive.

Please see picts for specs and be sure your equipment is compatible. ( I am guessing it is not for HD-DSI?)
From AJA:
The D10CEA converts SD-SDI video with embedded audio to 10-bit component or composite analog video and 4 channel balanced analog audio. The video outputs can be configured as YPbPr (Betacam or SMPTE/EBU N10), RGB, 1 composite or 1 Y/C (S-Video). The 4 ch analog audio outputs can be wired in a balanced or unbalanced configuration. The 4 audio output channels can be selected as group 1-4 from SMPTE embedded audio. Audio level has 4 settings. Audio and video output connections are available on a 25 pin "D" subminiature connector – a breakout cable is supplied. All video/audio configuration is done by external dipswitch selection. This versatile, low-cost, miniature monitoring solution also outputs two re-clocked loop-thru SDI outputs.