1. Support AP, INAV, , RotorFlight firmware 2. STM32H743VIT6 master control 3. Dual gyroscopes, higher precision and more stable 4. -42688-P -Invesense third-generation gyroscope 5. -42605-P -Invesense third-generation gyroscope DPS310, high-precision barometer, or SPL06, domestic high-precision barometer Onboard shielding cover to block electromagnetic interference from high-frequency switches of the electric adjustment gyroscope and barometer 8PWM output (8P SH1.0, 6P SH1.0, support x8), 6 serial ports (full function), 1I2C Support analog image transmission, digital image transmission (support direct plug-in); Onboard BEC: device 5V5A; image transmission, camera 12V 1.5A firmware is flashed at the factory (The product appearance and printed words depending on the batch, but this does not affect use) Color: black Material: PCB Package Contents: 1 * FC&ESC Stack Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.