A flight controller with a built-in Serial ELRS receiver and 4-IN-1 BIheli_S 12A ESC specially developed for Digital HD FPV, which removes the analog OSD chip 7456, optimizes the PCB layout, and supports 1-2S Lipo/LiHV lithium batt eries, very Suitable for Digital HD Tinywhoop/Cinewhoop/Toothpick and other s mall FPV drones. The flight controller uses the F405 chip, supports Betafligh t/INAV firmware, has 3 sets of complete UARTs available, and integrates a BMP 280 barometer and 8Mbp , which greatly enhances the playability of th e flight controller. Color: Black Material: PCB Package Contents: 1 * ELRS AIO FC 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.