Specification Betaflight “DYS F4 PRO” firmware STM32F405 master with higher refresh rate and more function ports 5V 3A BEC output 9V 1.2A BEC output 3.3V 0.3A BEC output Compatible all split-type escs, connect with DYS 4-in-1 esc (F20A or F30A) with flexible flat cable Support BF setting software to flash and debug OSD Integrated current sensor to monitor the power consumption etc in real time Use remote control to view flight control parameter through OSD Support SAMRT AUDIO, adjust the VTX by OSD Comes with heat resistance damping ball to upgrade the stability and operation 3-6s lipo input, integrated PDB, max withstand current 160A Net weight 10.5g, exclude the cable The refresh rate of PID and gyro up to 8KData* Whole size: L 38mmX W 38mm, hole distance 30.5X30.5mm * Six-layer PCB board and 3OZ copper to enhance the over-current and heat dissipation * PDB board with reverse high voltage protection circuit - MCU: STM32F405 GRT6 - IMU: MPU-6000 - OSD: AT7456E - FLASH: 8M memory - Current sensor: 0-200A - Integrated reverse high voltage protection circuit - Integrated circuit protection to USB port - 3.3V LDO to power on internal circuit - 9V BEC: 1.2A - 5V BEC: 3A/ one-way output to avoid external interference - When use with 4-in-1 esc, plug in the battery to supply the flight control instead of BEC.