Advanced Flight Control: Equipped with the latest F4V3S flight controllers, this drone offers stable and responsive flying, making it ideal for both beginners and experienced pilots. Powerful ESC: Features a 45A 4IN1 ESC that provides reliable power, ensuring high performance during races and freestyle maneuvers. Construction: Built with high-quality carbon fiber, the MARK4 7-inch frame is both and robust, designed to withstand the rigors of high-speed flying and aerial acrobatics. Designed for FPV Racing: This quadcopter is tailored for FPV racing, offering a thrilling flying experience with enhanced visibility and control. Product Name: F4 Flight Controller Board Standard Board Size: about 36x36mm Standard Size of Mount Hole: 30.5x30.5mm BLHELI_S 45A 4INI 3-6S Brushless ESC Size: 41x39.5x5mm Hole distance: 30.5x30.5/5mm Weight: 13g Input voltage: LIPO 2-6S Continuous current: 45A Maximum current: 50A (10 seconds) Processor: EFM8BB21F16G Firmware: BLS J_H_30_REV16_7 Drive signal support: DShot300-600/Multishot/Oneshot/PWM Current sensor: Support The ESC has filter capacitors on board to suppress the electromotive power transmission, stabilize the battery voltage and protect the components of ESC vuelo control precision Color:As Shown Material:Carbon fiber+electronic components Package Contents: 1 * F4V3S Flight Control 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.