3 Axis Cyclops Storm OSD Best Value AHRS Based OSD and RTL/RTH & New 10hz GPS Reliable AHRS based, don't be affected by weather and background of flying field. Fully tested with wooden, EPO, EPP and even oil-drived 15-class planes, proven robust anti-vibration algorithms. No need extra anti-vibration devices. Tiny size with ALL-IN-ONE design, the main-board integrates OSD, Gyro sensor,accelerometer sensor barometre sensor, and the control unit, also with enough input and output ports, offer precise attitute hold and stabelization. Fully tested with different kinds of planes, support normal 4-channels plane, V-tail, and flyingwings. 3 flying modes, make your fly easier and funny, manual mode, PA mode, and RTH mode 3 OSD screens, you can always find your favorite one/Note: Frame Kit only,you have to assembled by yourself. Users need learn how to install the component and test its effects. It's will get better results after a period of testing. Store offer installation manual of the mount, but not offer technical support, please understand.