The difference between the Phantom 4 Pro and the Pro Plus is the inclusion of the 5.5inch 1080p screen fitted to the controller. This is purposely designed for viewing in daylight with an enhanced screen type.
On the side of the screen is a HDMI port, Micro SD card slot, microphone, loudspeaker and WiFi. DJI have done this to allow you to edit 1080p images on the go and still upload to social sites (Facebook, Instagram etc) or website.
What you will find in the new Phantom 4 Pro is:
With the introduction of Lightbridge HD, the new video and controller signally which uses 2.4Ghz and the 5.8Ghz transmission signal is increased to a whopping 7km (unobstructed).
NOTE: Estimated To Ship 20-25 business days after payment confirmation