This product, the HGLRC Zeus 60A 3 - 6S 30x30 4in1 ESC, is designed for freestyle FPV racers. It features a heat sink design for high - power heat dissipation, improving stability during intense races. With a 30.5x30.5 mounting pattern, it's easy to install. The ESC weighs 18g and has dimensions of 45x40x6.5mm. Its input voltage ranges from 3 - 6S, with a max continuous current of 60A and a max burst current of 65A (10s). It comes with an STM32F051 MCU and BLHELI32 firmware.