The K170 is a highly realistic four-channel brushless remote-controlled helicopter. The fuselage is based on the Uh-60L Black Hawk helicopter prototype and engineered composite materials. It features a four-rotor coaxial dual-drive system, equipped with a high-efficiency external rotor brushless main motor and a hollow cup tail motor, providing approximately 8 minutes of flight time. Its flight control system incorporates a six-axis gyroscope and a barometric altitude hold module, enabling automatic hovering and stable flight. Combined with a four-channel 2.4G remote controller and high-response digital servos, it offers precise and sensitive control. The remote control distance is approximately 328 feet. The aircraft features intelligent signal loss mitigation and supports Usb smart charging, allowing you to experience the thrill of flying a highly realistic military aircraft model right out of the box.