The NewBeeDrone BeeBrain BLV4 AIO is the tiny whoop racer's choice! With 12A ESCs and built in 2.4GHz ELRS, this AIO would even work great on a 3" toothpick build!
Coming in under 3.5g if you remove the motor connectors, it's an unbeatable combination of performance and weight.
|4x12A S-H-40 - Bluejay, 0.16, 48kHz
|VTX Power Output
|5/25/SmartMAX (auto adjusts output according to temperature up to 400mW)
|29x29x7.6mm (25.5x25.5mm mounting)