Specification:
Item name: betaflight F4 V3 Flight Controller
Size: 36x36mm
Mount holes: 30.5×30.5mm

Features:
-STM32 F405 MCU
-Dshot support
-Drag and Drop OSD configured via Betaflight Configurator
-Smartaudio v2 support Tune your PIDs and configure the omnibus F C from your Transmitter
-MPU6000 6 axis SPI Gyro & Accelerometer
-SBUS/PPM AND Spketrum dsm-x Ports
-SD card blackbox
-Baro(BMP280)
-5V 3A SBEC
-On-board Video Filter(only can supply 5V to VTX and Camera)
-SmartAudio V2 via tx6 on J10
-43 pin ESC pin layout
-IR pins for lap timing transponder

Note:

Within betaflight please use OmnibusF4SD target to update firmware

The V3 version now includes a built in BEC so you can power this board directly from your flight battery (up to 4S)