SpeedyBee F405 V3 V4 36S 30X30mm Stack F405 Flight Controller BLHELIS 50A 55A

I know right? With only $69.99, you will get an STM32F405 FC(better than F411), onboard 4-level battery life indicator, 4GBBlackbox SD card slot for your flight logs, 4 groups of LED str pads,complete with a DJI plug for your digital quad, and built-in Bluetoothfor wirele configuration on the SpeedyBee app.Don't forget about the powerful 50A 4-in-1 ESC, built with TVSprotective diode + Japan made TDK capacitors + external1500uF low ESR capacitor, everything is for durable build andsmooth flight.All of that for only $69.99! Top-shelf spec at a crazy low price, whatare you waiting for?

Configure your FC and ESC via Bluetooth

With SpeedyBee app, turn your phone into an all-in-oneFC configurator and tune your quad anytime, anywhere.Experience wirele, fully configurable ESC experience withSpeedyBee app.

Powerful Real 50A 4-in-1 ESC!

Built with the robust BB21 MCU and large motor pads for easysoldering. Built with Japan made TDK filtering capacitors +onboard TVS protective diode, brings smooth flight experience.Real 50A output, ready for your baddest 6S motors.

Forgot your Lo checker?

Just look at the FC!Built with a 4-level LED battery indicator, now you can flyanywhere worry-free - even without your lo checker!

8 motors output for X8/Y6/fixed-wings

You could use this stack to build your X8 drones, Y6 drones orfixed wings. Forget about crawling through your maive buildjust to plug in that USB cable. Just take out your phone toconfigure everything in the SpeedyBee app.

Change motor directionswirelely!

Finishing your latest build? Just replaced your motor after a crash?Take your smartphone out, and configure your motor directionwirelely with the latest SpeedyBee app. Works for allBLHeli32 / BLHeli_S / BlueJay ESCs.

4 sets of LED pads withsimple switching

Need more visibility at night? Just solder up your LED strs*and blaze the darkest trail you can find. With just one tap on the BOOT on, you can cycle through all different LED presets**and pick the one you love!* LED strs could be purchasedhere**Or long pre the boot on to switch to Betaflight LED mode

1500uF Low ESR capacitor +TVS protective diode =Extra protection

The ESC is built with TVS protective diode to absorb the voltagespike when you plug in the battery, or during crashes that blockyour props.We also provide a humongous 1500uF low ESRcapacitor, ensuring clean data from the gyro to the FC.

And packaged with moreuseful features

● Built-in barometer for accurate height calculation

● SD Card slot can support up to 4GB Blackbox data*

● Dedicated DJI Air Unit connector for a quick digital build

● 9V 2A + 5V 2A inp>

● 4 x UARTs for your receiver + VTX + camera + GPS.

● Power your GPS with a USB cable - no battery needed.No extra heat, no worries.

● 22mm cutouts for camera in your tight build

*Betaflight firmware requires the type of the microSD card to beeither Standard (SDSC) or High capacity (SDHC), so extendedcapacity cards (SDXC) are not supported(Many high-speed U3 cardsare SDXC). Also the card MUST be formatted with the 16 or 32(recommended) filesyst. So, you could use any SD card le than32GB, but the Betaflight can only recognize 4GB maximum.We suggest you use this3rd party formatting tooland choose'Overwrite format' then format your card. Also check outhereforthe recommended SD cards or buy thetested cardsfrom our store.

About shping
Shping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resoe the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very ant to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.