Here a test video of the RTL mode (Auto-Return To Home) with the Cheerson CX-20 (Quanum NOVA).
The Cx-20 has been moved to a far position (in LOITER mode) and then the RTL mode has been activated.
The CX-20 come back to the HOME position automatically and do a full AUTO-LANDING.
Wind conditions: 9 Km/h, gusting 24 Km/h
More infos at: