Novak 3124 13.5T Havoc Pro SC/Ballistic System, 3300KV 14 Adjustable ESC parameters via on-board programming for complete customization with a Sensor-base design NovaBrakes provides extremely smooth and powerful brakes that are unmatched in performance and consistency Silicone-sealed water-resistant ESC case and a Cross-cut ESC heat sink for reduced weight and efficient cooling