This T-Motor Velox Cine F7 X8 HD 3 - 6S 30x30 Flight Controller is perfect for drone enthusiasts. Whether you're a beginner looking to upgrade your drone or an experienced flyer seeking high - performance components, this controller has you covered. With a mounting hole size of 30.5x30.5mm and weighing just 9.24g, it's compact and lightweight. It can handle input voltages from 3 - 6S, making it adaptable to various drone setups.