IT is pixhawk 2.4.8 superior quality product.....

Advanced 32 bit CortexM4 ARM high performance processor, can run RTOS NuttX real time operating system;- Integrated backup power supply and failure backup controller, the main controller can be safely switched to backup control;
- Provide redundant power input and fault transfer function;
- 14* PWM/ actuator output;
- Bus interface (UART, I2C, SPI, CAN);
- Provide automatic and manual mode;
- Color LED lamp;
- Multi tone buzzer interface;- Micro SD to record flight data;
Specification:
The board integrates with PX4FMU+PX4IOPixhawk is with new 32 bit chip and sensor technologyProcessor:
32 bit 2M flash memory STM32F427 Cortex M4, with hardware floating point processing unitMain frequency:
256K, 168MHZ RAM32 bit STM32F103 backup co processor
Sensor:L3GD20 3 axis digital 16 bit gyroscopeLSM303D
3 axis 14 bit accelerometer /magnetometerMPU6000 6 axis accelerometer / magnetometer
MS5611 high precision barometer
Interface:5* UART, 1*compatible high voltage, 2*hardware flow control2*CANSpektrum DSM/DSM2/DSM-X satellite receiver compatible
 
inputFutaba flysky Tranis Frsky etc SBUS compatible input and output PPM signal inputRSSI (PWM or voltage)
inputI2CSPI3.3 and 6.6VADC
inputExternal USB MICRO
interfaceColor:
BlackSize: 50x81x16mm/2.0x3.2x0.6
Weight: 48g
Package included:
1 x 2.4.8 Pixhawk main control
1 x Safety switch
1x 4 GB memory card
1 x Flight control shell
1 x Buzzer