fpv quadcopter
https://medium.com/@l9fpfku151/why-you-should-forget-about-improving-your-betafpv-85x-fpv-whoop-quadcopter-d1d2445a2330
BETAFPV 85X FPV Whoop Quadcopter 4S with Inbuilt FrSky XM+ Receiver. The 85X FPV is a powerful quadcopter which packs in a powerful motor and is ideal for racing. The 1105 5000KV motor is powerful and supports