RC ERA C184 MD500 100 size helicopter features an altitude hold function and optical flow positioning, allowing it to hover steadily at a designated height. It also supports multi-directional flight, enhancing the fun of flying. Equipped with a 6-axis gyroscope and optical flow sensor, it ensures more stable flights. It makes it an ideal choice for RC flight enthusiasts to experience real flight.

The RC ERA C032 UH - 1 Huey is equipped with a brushless main motor, providing powerful performance. Building on the original barometric altitude - hold system, it incorporates an Optical Flow Sensor and TOF laser altitude - hold, remarkably improving flight stability. Additionally, it features a one-click inverted flight function.

The C138 RC Helicopter features altitude hold, gyroscopic stabilization, and a flybarless design, offering enhanced stability and control. Perfect for all skill levels.