Hi, sorry for the delay : its been almost 6 months since are launch and we have sold over 5000 units world wide I might add.
We do have a warranty in place that is based off the DJI flight report. We let DJI make the call. So far no call have been made.
We engineered and designed a Surge Ring now that protect the Gimbal ring , we made it .55mm thinner and just a bit tighter
The Neoprene has had no effect on the GPS signal at all this is do to its being only 1.7mm thin ,
As far as the rain on the sensors , the sensors do not as you already guessed do not affect the Sensors or the props or the motors.
We have had several conversations working with the DJI team into the motors being brushless and how effective they are at withstanding water.
Are concern was not the water in the motors but just keeping it out of the drone period.
We are amazed at how much water the drone can take in 20 minutes and not get a single drop in the drone.
Not only has the Wet Suit made a difference in flying in the Rain but really any extreme weather such as freezing cold. We can now fly in 20 below better than ever before because the battery is sealed better ,
This stops the cold air from getting in behind the battery and has made a big difference, We also used Closed Cell Neoprene which keep the heat in bit more but in noway can heat the drone up enough to cause any problems.
Keeping blowing sand out of the gimbal is yet another added benefit that we have been thrilled with.
We also found that the Prop covers lock in the props and make it more difficult for them to pop off as we have read many of incidents of that happening and thus the drone crashes , so this was another added benefit.
Last to mention is the landing Gear protection wraps protect the clips on the phantom and provide a nice 1 hand catch and release handle non slip.
If there is any negative its that not every drone can be protected . We have had tremendous success with the phantom series 4 but we were not able to make it for the Phantom 3 series nor 2 for that matter.
For those that fly the Phantom 4 , this was a game changer in many ways.
Here are some really nice pictures of the phantom 4 pro Black Obsidian:
Enjoy I am struggling with being able to post any more pictures. Had to make these very small.
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