20x20mm iFlight BLITZ Mini F745 F7 Flight Controller E55 Mini 55A BL_32 4In1 Brushless ESC Stack for RC Drone FPV Racing Features: 1.Improved circuit design, better components, and lower electrical noise 2.DJI HD VTX Connector (Plug-and-Play / No soldering required). 3.FC indicator LEDs for visual debugging. 4.Support Betaflight, INAV, Ardupilot firmware. Specifications: --Mini F745 Flight Controller MCU: STM32F745 Gyro: ICM42688 Barometer: DPS310 OSD Chip: AT7456E Flash: 16MB (Blackbox flash) UARTS: 6 Smartaudio / IRC Tramp VTX protocol supported LED controller: Yes Beeper pad: Yes Mount pattern: 20*20mm/φ4 Dimensions: 30.5*27 mm Weight: 4.8g BEC: Output 5V 2.5A continuous output current, 3A peak current (15 seconds) BF Firmware target: IFLIGHT_BLITZ_F7_AIO Ardupilot Firmware:arduplane_with_bl Wiring Suggestion: UART 1 for VTX HD / Analog UART 2 for a Receiver UART 3/4/5 for GPS or other sensors that require a serial port UART 6 for ESC Telemet --Mini E55 4in1 ESC Mounting Holes: 20*20mm/Φ4mm Weight: 11.3g Supports 2-6S Lipo input MCU: G071 Constant: 55 Amps Burst: 65 Amps Current sensor: Yes BEC: No Current rate: 200 Supports: DShot DShot150/300/600/MultiShot/ OneShot etc. Firmware: BLHeli 32 Target: IFLIGHT_BLITZ_G071_01 32.9/ IFLIGHT BILTZ G2 32.9 Package Included:(Optional) --ESC Version: 1 x BLITZ Mini E55 4IN1 ESC or --FC+ESC Version: 1 x BLITZ Mini F745 Flight Controller 1 x BLITZ Mini E55 4-IN1 ESC 1 x silicon grommets 1 x wire harness for F7 Flight controller