Heli-Nation Talon F4 20x20 FC Flight Controller Specs Direct 2-6S input. mpu6000 gyro Filtered 5V. Direct stack on xm+ rx Built in betaflight OSD. 4 in 1 ESC socket and direct solder on 4 in 1 ESC pads. Build in Camera control resistor and capacitor Anchor USB port, for more secure and durable Filtered 5V for camera, Vbat battery for VTX. Current sensor input from 4 IN 1 esc socket and Solder pad Inverter for Sbus (on UART1), Inverter for smartport telemetry(UART3) TX4(uart4) near VTX pads for easy Smart Audio or Tramp wiring TX6(uart6 ) and RX4 ( uart4 ) Vibration dampening silicone grommets are compatible with BOTH M3 AND M2 HARDWARE! (Note: see pictures 2 and 3) FW Target: CLRacing F4.bin http://globerc.com/product/pirofliprc-heli-nation-talon-f4-20x20-fc-flight-controller