Ztw Spider 30A Opto SMALL 2-6S LiPo 600Hz SimonK ESC
the same as the Spider 30A Opto ESC, but on a smaller board with improved heat dissipation, specifically designed to power multirotor aircraft motors,
Ztw 3A UBEC
switching mode UBEC with 5V/3A or 6V/3A output depending on blue jumper position.
Check 'm both out at