Brass material has good conductivity, the yagi antenna uses brass guides to increase the transmission distance and stability of the remote control, reduce flight accidents and makes flight more security. Made of high quality materials, making the product more durable and practical. The reflectivity of mirror aluminum sheet is as high as 95%. Small in size and lightweight, compact and portable, convenient to operate. Non-destructive installation design, easy to install, plug and play, fast and convenient. Yagi antenna signal enhancement extend flight range by 30%-50% in the same signal interference intensity of the flight environment.