This is the mini version CC3D Revolution, all function and interfaces are reserved, with high precision barometer, compass, and even smaller than CC3D Nano Revolution in size, a good choice for small size racing and normal quadcopters. 

Open Source Flight Controller Revolution (Upgrading version of CC3D)

Specifications:
STM32 F4 Microcontroller
Invensense MPU-6000 Gyro/Accel 
MS5611 baro
L883 Magnetometer
Main port
Flexi Port (serial or I2C port)
Rc input port
Pwm output port
Comes with Case
Case:30mm x23mm x9mm. 
Weight: 6g (includes case)

Includes:
1x Mini CC3D Revolution flight controller 
5 x Connection cables

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