Thanks for reaching out about the Occipital Structure Core Depth Sensor.
The Misty II Standard and Misty II Enhanced editions both come with the Occipital Structure Core Depth Sensor out of the box. If you purchased a Misty II Basic Edition, the Occipital Structure Core Depth Sensor doesn’t come standard with that Misty.
The Misty II Standard and Enhanced versions should have 4 cameras on the visor and the IR laser whereas the Misty II Basic will have one hole on the visor for the 4K RGB camera.
Check out some of our SLAM mapping resources to learn more about the depth sensor and using SLAM to map your environment.
Hope that helps to answer your question(s)!