HAKRC 20*20mm Flight Controller F722/F405 DM MINI 3-6S Barometer Gyroscope Dual BEC 5V/3A 9V/2.5A for FPV Racing Drone RC Models

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HAKRC 20*20mm Flight Controller F722 DM MINI 3-6S Barometer Gyroscope Dual BEC 5V/3A 9V/2.5A for FPV Racing Drone RC Models


Brand: HAKRC

Item Name: F722 Mini 3~6S Flight Controller

Size: 31 * 30 * 8mm
Package size: Φ 62 * 33mm
Installation hole distance: 20 * 20MM, φ 4mm
Weight: 6g
Package weight: 20g
Processor: stm32f722ret6
Gyroscope: mpu6000
B E C:5V/3A ; 9V/2.5A
Memory: 16MB
Input voltage: 3-6s
Firmware: betaflight_ 4.1.0_ MATEK722
UART serial port: 5

Packing list:F722 DM flight control mainboard x1
damping ring x4
8p soft silicone cable x1
DJI HD image transmission cable x1

Brand: HAKRC

Item Name: F405 Mini 3~6S Flight Controller

Size: 31*28*8mm

Packing size: Φ62*33mm

Installation hole distance: 20*20mm

Hole diameter: φ4mm

Weight: 6g

Package weight: 20g

Processor: STM32F405RGT6

Gyroscope: MPU6000

B E C: 5V/3A; 9V/2.5A

Storage: 16MB

Input voltage: 3-6S

Firmware: betaflight_4.1.0_MATEKF405

Uart serial port: 5

Packing list:

F405 DM flight control motherboard x1,

Damping ring x4,

8p soft silicone wire x1,

DJI HD image transmission cable x1

Instructions for use (required)

1. There are many flight control integration functions, and the components are very dense. When installing, please do not use tools (such as pointed nose pliers or sleeves) to screw the nuts, which will easily scratch the hardware of the flying tower and cause unnecessary losses. The correct way is to press the nut with your finger, and the screw driver can quickly tighten the screw from the bottom. (don't be too tight to avoid damaging PCB board)
2. Do not install propeller when installing and debugging flight control, and try not to fly indoors to avoid safety accidents. Before installing the propeller for flight test, please check the motor steering and propeller direction again. Safety tips: please do not fly near the crowd. Our company will not be responsible for any loss caused by aircraft crash.
3. Do not use non original aluminum or nylon columns to avoid damage to flight control hardware. The official standard configuration is custom-made nylon columns to fit the flying tower.
4. Before the aircraft is powered on, please check again whether the installation between the flying tower connectors is correct (the pins or wires must be aligned), check whether the positive and negative electrodes of the welding are correct, and check whether the motor screw is against the motor stator to avoid short circuit.
5. Check whether there is solder thrown out on the electronic components of the flying tower, which may lead to short circuit. If the short circuit occurs in the installation and welding, the buyer shall be responsible for it.

Item Specifics
Brand Name:
Composite Material
Tool Supplies:
Assembled class
Upgrade Parts/Accessories:
RC Parts & Accs:
Model Number:
Remote Control Peripherals/Devices:
For Vehicle Type:
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Shipping & Payment


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-20 Business days
Canada, Europe 10-20 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of SAJAKS Favorites (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of www.sajaksfavorites.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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