Features:Quick & smooth: Water proof design.Easy operation, parameters can be setup by transmitter or program card.Unique circuit design, strong anti-interference.Waterproof design (Note: if there is water in the ESC, Please dry the water at the connectors).Colour: BlackMaterial: Plastic + MetalStart mode can be set.throttle response fast, and it has a very smooth speed control linearity.Compatible with scale boat & racing boat .Programmable options:1,Operation mode2,Neutral range3,Battery low-voltage protection4,start upacceleration5,reverse Force6,entrance angle settingProduct parameters:Continuous current: 30AInstantaneous current: 40A (10 seconds)Support lipo: 2-6SBEC: 5V/4APower cord length: 100mmFeatures: Full metal shell, dual-channel drainage, can quickly cool down and cool down.Adapted captain: 450mmProduct List:1 x Ship Model ESCOnly the above package content, other products are not included.Note:Light reflection and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/- 1-3cm.