• [Secure Performance] 40A esc with security arming function and comprehensive protecting features to ensure secure running.
• [Lightweight Servo] The sg90 9g micro servo is only 9g, with a torsion of 1.5‑1.7kg/cm, for precise control.
• [Compatibility] Compatible with lithium batteries and adjustable timing to suit various brushless motors.
• [Enhanced Performance] Includes 2217 kv1250 motor 8060 propeller steering engine 40a x t 60 esc for optimal rc helicopter performance.
• [Smooth Running] Throttle calibration function and multiple program methods for a seamless flying experience.