product link: http://www.amazon.com/gp/product/B00WRYG3NA/?tag=johny07-20
This Hubsan H107D is the upgrade FPV version of the X4. Hobby level player buy these to train prior to buying big FPV racer like the Walkera 250.
I play with this unit for a few weeks so far and man, this is a joy. Coming from trying many other toy grade FPV, they seems to have lags issue which result in a few second delay on camera. This one with it build in screen on the remote and a 5ghz frequency transmission resulted in uber sm
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