Eachine Turbine QX70 - Unboxing, review, test flight and some tips

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User manual:
Eachine Turbine QX70 70mm Micro FPV Racing Quadcopter BNF Based On F3 EVO Brushed Flight Controller
The QX70 quadcopter is a improved Indutrix for FPV Racing , flying furiously with adequate agility.It is based on SP racing F3 evo flight controller supports Cleanflight and Betaflight, provide Acro/Rate mode, Angle mode, Air mode and more. More importantly, it is armed with an omnipotent receiver which is compatible with various protocols.
Come with LED lights, but need assembly.
Specification:
Brand Name: Eachine
Item NO.: QX70
Wheelbase: 70mm
Fly Weight: 54g
Size: 97*97*75mm
Flight controller: SP RACING F3_EVO_Brush
Firmware version: Cleanflight 1.13.0
Motor: 8520 Coreless Motor
Prop Size: 40mm 4-Blade
Camera: 600TVL HD CMOS 1/4 inch Camera
Video Output format: PAL / NTSC
AV Wireless Transmitter: 5.8g 25mw 48ch
Batterry: 3.7V 600mah Lipo battery
Flight time: 6 minutes
Option Receiver: 1. Frsky compatible SBUS receiver
2. Flysky compatible PPM receiver
3. DSM2/DSMX compatible Satellite receiver
Features:
Flight control base on F3 evo flight controller, supports Cleanflight and Betaflight, provide Acro/Rate mode, Angle mode, Air mode and more.
The Coreless motor is plug type, simple and convenient to use.
QX70 it is armed with an omnipotent receiver which is compatible with various protocols.
The user only need to be equipped with a remote control and a receiver to experience the indoor FPV flight.
Package included:
1 x QX70 Frame kit
4 x 8520 Coreless Motor
1 x F3_EVO_Brush Flight controller
1 x Receiver(Optional)
1 x 5.8G VTX w/Camera antenna
8 x 40mm 4-Blade Propeller
1 x 3.7V 600mah Battery
1 x Charging cable
1 x Paddle propeller