The COPPERHEAD SERIES is ideal for those who want sensored motor support, data logging, an internal BEC and Castle’s signature reliability and performance in the meanest looking ESC around! If you’re looking to transform your 1:10 scale stock vehicle from dull to dangerously fun COPPERHEAD can do it with its buttery smooth starts, CRYO-DRIVE enabled performance and up to 4S power in a compact, easy-to-install footprint.