This kit includes the:
- Monitor Mounting Arm with Thumbscrews
- HDMI to HDMI cable

This kit requires that you already own the "LifThor RC PRO PLUS Tripod Mount".
 
The OPTIONAL products in this listing is:
 
- Universal Phone/ Tablet clamp (from 4" to 13" devices)
- Quick Release bracket for easy attachment/removal of a monitor/tablet.