High-Performance ESC: The F55_128K55A 4-In-1 ESC Firmware BLHeli_32 is designed to deliver exceptional performance for your FPV racing drone, ensuring responsive throttle control and smooth flight dynamics. Versatile Compatibility: This ESC is suitable for a wide range of FPV racing drone accessories, making it an ideal choice for both beginners and experienced pilots looking to upgrade their setups. Advanced Firmware: Equipped with BLHeli_32 firmware, the F55_128K55A offers enhanced features such as active braking and telemetry support, giving you greater control and real-time data feedback during flights. Compact Design: The 4-In-1 design of this ESC not only saves space but also simplifies wiring for your FPV racing drone, ensuring a clean and efficient installation process. Durable Construction: Built to withstand the rigors of high-speed racing, the F55_128K55A 4-In-1 ESC is crafted from high-quality materials, providing reliability and longevity for all your FPV racing adventures. Color: As shown Material: PCB Package Contents: 1 x F55_128K55A 4-In-1 ESC 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 to be slightly different from the real thing. Measurement may vary by +/- 1-3 cm.