FVT BOAT030 30A Brushless Senseless BOAT ESC Speed Controller Waterproof 5V 3A RC Boat PartSpecification Output Continuous current 30A burst current 60A Input 5 18 cells NiMH NiCd or 2 6 cells LiPo BEC Output 6V 3A linear mode BEC Suitable Motor Sensorless Brushless Motor Water Cooling Pipe 4 5mm externaldiameter Size 71mm L x 28mm W x 19mm H Weight 46gFeatures 1 Use top quality electronic components to enhance the current endurance ability of the ESC 2 Special designed for RC boat with excellent start up acceleration and linearity features 3 With water cooling heat sink the ESC is splash proof Note Not 100 water proof running modes Forward Backward 4 Multiple protection features Low voltage cutoff protection to prolong the battery life Over heat protection 5 With 5 steps of timing adjustment compatible with most of sensorless brushless motors 6 User programmable 7 Multiple program methods supported Transmitter stick LED Program Card Very easy to program the ESC at home or at the racing field For manual pls click herePackage Included1 x ESC