, Built-in 5V 1A Buck / Boost with LC filter, (No RX version) CRAZYBEE F4 PRO V2.0 Firmware target: CrazybeeF4DX, No RX version need to add external Receiver, MCU: STM32F411CEU6 (100MHZ, Board size: 28.5 * 28.5MM, (DSM2/DSMX version) CRAZYBEE F4DX PRO V2.0 Firmware target: CrazybeeF4DX, Power supply: 1-3S battery input (DC 3.5-13V), 512K FLASH), Built-in voltage detection, Current meter scale set to 1175, Built-in Betaflight OSD(SPI Control), DSM2/X Version built-in Serial-based DSM2/DSMX compatible satellite receiver, Frsky version Built-in SPI Frsky receiver with telemetry(D8/D16 switchable), Built-in 5A(each) Blheli_S 4in1 ESC Dshot600 ready, Item name: Crazybee F4 PRO V2 Flight Controller, (Flysky version) CRAZYBEE F4FS PRO V2.0 Firmware target: CrazybeeF4FS, (Frsky version) CRAZYBEE F4FR PRO V2.0 Firmware target: CrazybeeF4FR, Built-in Current meter Max 28A, Flysky version Built-in SPI Flysky receiver with telemetry(AFHDS/AFHDS2A switchable), Sensor: MPU-6000(SPI connection).
Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($58.57): BGGutscheine
2. ($59.21): BGJON8
3. ($59.21): BGRCParts8
4. ($59.21): BGMatt2022
5. ($59.21): BGToys8
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGF4P, TTxBG10, urparts12, BGF4PROV2, BGURF4V2, AFfbG10, affbg10, BGF4V2, BG12MRP, BGWKUCF4, Parts8, BGVDay10%off, BGAFF10OFF, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BGRC902, BgoFErTaSchInA10, BgcLuBofErtA10, BGCuponation10, BGDAVIS, BGHONEY2110, BGGAL8, Cuponation9
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for URUAV Crazybee F4 PRO V2 RC Flight Controller. The lowest price was: $30.09.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).