Welcome to our store! 1、Water Cooling: This RC boat brushless motor adopts a dual heat dissipation system, air cooling fans on the back of the motor. Also equipped with water cooling. 2、Balanced Rotor: This RC boat brushless motor with precise and balanced rotor provides high reliability and maximum smoothness of speed. 3、Precise Design: This RC boat brushless motor adopts a precise design, which can realize maximum energy conversion. 4、High Efficiency: This RC boat brushless motor ensures high efficiency in operation, providing low noise and low energy consumption. 5、Premium Material: This RC boat brushless motor is made of premium aluminum alloy and copper, which is sturdy and durable. Item Type: RC Boat Brushless Motor Material: Aluminum Alloy and Copper Color: Blue KV Value: 1500KV Applicable Voltage: 2-6S (7-22V) Maximum Current: 30A Maximum Power: 600W Motor Diameter: Approx. 28mm / 1.1in (excluding cables and nozzles) Motor Height: Approx. 62mm / 2.44in (without shaft) Shaft Diameter: Approx. 3.17mm / 0.12in Cooling Method: Air-cooled and water-cooled, the back of the motor is equipped with a fan, and there is a water cooling system. Water Nozzle: Approx. 4mm / 0.16in (suitable for 3 x 5 silicone tube) Connector: Approx. 3.5mm / 0.14in banana head male Application: RC remote control boat 1 x RC Boat Brushless Motor Customers are our top priority. If you find any problems with your product after you receive it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.