This iFlight Blitz F411 1S 5A Toothpick/Whoop Flight Controller is perfect for those into lightweight builds. It's all-in-one, weighing just 4.8g with dimensions of 29x29mm. It comes with a 25-50mW VTX and ELRS RX. Great for hobbyists looking to build their own whoop or toothpick setups. The input voltage is 1S, with an STM32F411 MCU, BMI270 gyro, and more as per its specifications.