1 Features 1.1 Excellent waterproof design (rates as IP 67) allows this ESC to work in water without any extra precautions; 1.2 High quality components have very strong over-current withstanding capabilities; 1.3 Patented Copper Heat Conduction technology and high-efficiency water cooling system can easily dissipate the heat produced in operation under high load; 1.4 The special firmware designed for RC boats can make the acceleration punchier and the sailing more stable; 1.5 The External Programming Port can connect to the LED Program Box for easily setting the parameters of the ESC; 1.6 Multiple protections like low-voltage cutoff protection, thermal protection and throttle signal loss protection, make the ESC more reliable;