Doing some test on the Arris X-Speed 250B
Goggles used for DVR is Eachine VR-D2
Check Hobbywing.com or Arrishobby.com for info on the RTF quad
http://www.arrishobby.com/arris-xspeed-250b-fpv-racing-drone-rtf-with-f3-flight-controller-hd-camera-radiolink-at9-transmitter-p-3017
https://www.amazon.com/X-Speed-Quadcopter-Controller-Radiolink-Transmitter/dp/B015ST5UPM/ref=sr_1_1?ie=UTF8&qid=1477720462&sr=8-1&keywords=arris+250b