Now this is something truly special for its size and capability - Introducing the Diatone Mamba MK4 F740 AIO. The Diatone Mamba MK4 F740 AIO is a powerful, all-in-one flight controller and ESC for sub 250g 3, 4, and 5 inch quads. It is equipped with an F7 processor, a 32bit 4in1 ESC of up to 40A, a barometer and OSD chip, and 16M of Blackbox memory. Connecting a video transmitter is easy and efficient, giving you a reliable and versatile system.