Hobbywing Seaking 30/60/130/180a Brushless ESC Motors Waterproof Boat Marine. Seaking 30A V3 Brushless ESC 30302060. Excellent waterproof design (rates as IP 67) allows this ESC to work in water without any extra precautions. High quality components have very strong over-current withstanding capabilities. High-efficiency water cooling system can easily dissipate the heat produced in operation under […]