Main control: STM32F405 Gyroscope: ICM42688P Barometer: Support SPL-06 OSD: Support (AT7456E) BEC: 10V/2A, 5V/2A UART port: 6 Black box: onboard (16M flash memory) Number of supported motors: M1-M8 Firmware name: BETAFLIGHT: SOLOGOODF405 Input voltage: 3-6S lithium battery (11-30V MAX) Output voltage: VBAT Installation hole: 30.5x30.5mm (4mm aperture) LED status: blue: gyroscope status, green: 3V3 indication, red: 5Vbec indication, white: 10Vbec indication for /Vista: Support/6pin Color: Black Material: plastic Package Contents: 1 x Flight Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.