XSRF4ODescription: Dimension: 36x36x6mm (L x W x H) with 30.5mm mounting holes Integrate with XSR receiver 1~16 channels from Sbus output 1~6 channels from PWM outputs S.Port enabled, support telemetry data transmission and more sensors OSD Configuration has been included in Betaflight GUI. Built-in SD slot Built-in F4 STM32F405 CPU Built-in 6-axis sensor MPU6000 (Accelerometer/Gyro) Built-in BARO BMP280Package Included:1 x XSRF4O