Board Size: 30mm x 17mmPart: Flight ControllerFor Vehicle Type: Quadcopter， MultirotorFuel Source: ElectricSatellite Port: Flexiport and MainportMicrocontroller Speed: 90MIPSFlash Memory: 128KBRAM: 20KBMEMS Accelerometer: 3-axisOn-board EEPROM: 4MbitAntenna Pedestal: YesAnti-Vibration Damper Set: YesSpektrum Satellite Receiver: YesFutaba S-BUS Hardware: Yes4 layer PCB for superior electrical noise reduction and flight performanceSoftware support for Windows， Mac and LinuxDirect high speed USB support with no drivers requiredInnovative Flexi-port technology for superior port flexibilityPackage Content: 1 x Flight Controller and Accessories