Happymodel Trainer90 FPV Racing RC Drone BNF Omnibus F3 OSD 5A Blheli_S ESC 5.8G 25mW 48CH VTX 1S Happymodel Trainer90 Racing Drone Features BLEHELI_S pass-through ready Extremely light and more powerful Betaflight support STM32 F303MCU + BLHELI_S ESC make your Operating feel more stability and silky Jaw-dropping flight performance Acro mode / Air mode /Angle […]