BGNing APM2.8 Flight Controller Board Built-in Compass 2.5 2.6 Upgraded APM 2.8 RC Quadcopter APM2.8 Flight Controller:With Protective CaseBut No Shock Absorber! Player MustHave AbilityOfBasic Understanding Of Monolithic Integrated Circuit, c-Language, Knowledge Of Electrical,Mechanical, And Also Needs a Certain Degree Of Mental Capacity, Financialand Material Resources, Energy Support. Can Be Ordered With Top Entry Pins For Attaching Connectors Vertically, Or As Side Entry Pins To Slide Your Connectors In To Either End Horizontally. Includes 3-Axis Gyro, Accelerometer And Magnetometer, Along With a High-Performance Barometer. Package Included: - 1* APM2.8 Board - 1* APM2.8 Protective Case