Feature: 1. CNC Machined: This underwater thruster has CNC machined 6061 aluminum front and rear covers, which has good performance and it is also . 2. Copper Coils: The underwater thruster propeller has high purity, high temperature copper coils, which can effectively provide high efficiency. 3. Premium Components: The brushless motor thruster has high performance, and and components. 4. High Thrust: The aluminium alloy underwater thruster propeller supports up to 18KG, 48V thrust, and it also has strong resistive current capability and good heat dissipation. 5. Applicable: The 48V underwater thruster is suitable for underwater propulsion equipment such as manned ships, unmanned ships, and other electric water equipment. How to Use: 1. The three wires of the motor are connected to the ESC in any order, regardless of the order. After the connection is completed, power on and the motor turns correctly, indicating that the connection is successful. If the motor turns in the opposite direction, swap any two wires. 2. A 50A ESC is recommended. Specification: Item Type: Underwater Thruster Gross Weight: 1337g/47.2oz Material: Aluminium alloy Motor Color: Black Blade Color: Silver Motor Diameter: 50mm/2.0in Total Thruster Length: 205mm/8.1in Blade Diameter: 110mm/4.3in RPM: 4000 Use Voltage: 12 to 48V Maximum Thrust: 18KG, 48V Line Length: 1 meter Applicable: Unmanned boats, salvage boats and other water electric equipment Package List: 1 x Underwater Thruster