Advanced Flight Control System: The F405 flight controller is designed to provide superior stability and performance for your racing drone High-Performance ESCs: Includes 60A 4-in-1 BLheli_S ESCs, providing reliable and efficient power management and supporting advanced flight dynamics Universal Compatibility: These ESCs feature a standard 30.5 x 30.5mm mounting footprint and are compatible with most RC FPV racing drones and Reliable: Designed to withstand the rigors of drone racing, ensuring long-term durability and stable performance Easy to use Flight control: Main control chip: F405 Gyroscope: PMU6500 Supported receivers: SBUS, CRSFIBUS PPM, etc. BEC power supply: 9&5V/3A Installation size: 30.5mm x 30.5mm / ESC: Continuous current: 60A Firmware model: BLHELI-S Installation size: 30.5mm x 30.5mm / Instantaneous current: 70A (10 seconds) Processor: EF8BB21 Supported protocol: DSHOT150/300/600 PWM Oneshot (The product appearance and printed words depending on the batch, but this does not affect use) Color: As shown Material: PCB Package Contents: 1 * FPV 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.