The BetaFPV F4 1S 12A AIO Brushless Flight Controller V2.2 is the default FC for Cetus X brushless whoop quadcopter, also great for 85mm whoop drones like Meteor85 and 3" toothpick drones like HX115 SE Toothpick Drone and HX115 LR Toothpick Drone. BetaFPV updated the FC to V2.2 with BMI270 gyro and BB51 ESC hardware in place of ICM20689 gyro and BB21 ESC hardware. Check out all our whoop flight controllers, and all our BetaFPV gear! Specifications CPU: STM32F411CEU6 ( 100MHZ ) Six-Axis: BMI270 Built-in Receiver: SPI ExpressLRS 2.4G / Frsky SPI Receiver antenna: Line antenna Size: 30mm x 30mm, fully mounting pattern compatible with the whoop frame in the current market Firmware version: betaflight_4.3.1_BETAFPVF4SX1280 (ELRS) OSD: Built-in BetaFlight OSD Recommend VTX:  Power Cable: 55mm, with BT2.0 connector Weight: 3.6g (Without power cable included) Power supply: 1S-2S Current: 12A continuous and peak 25A (3 seconds) Support BLHeliSuite programmable Factory firmware: C_X_30_REV16_7.hex for BB51 BLHeli_S hardware Signal Support: D-shot150, D-shot300, D-shot600, Oneshot125, Multishot, PWM   Includes 1x F4 1S 12A AIO FC Wiring Diagram