Features: Quick & : Water proof design. Easy operation, parameters can be setup by transmitter or 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: Black Material: Plastic + Metal mode can be set. throttle response fast, and it has a very speed control linearity. Compatible with scale boat & boat . Programmable : 1,Operation mode 2,Neutral range 3,Battery low-voltage protection 4, upacceleration 5,reverse Force 6,entrance setting Product parameters: Continuous current: 30A Instantaneous current: 40A (10 seconds) Support : 2-6S BEC: 5V/4A Power cord length: 100mm Features: Full metal shell, dual-channel drainage, can quickly cool down and cool down. Adapted captain: 450mm Product List: 1 x Model ESC Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.