Feature: 1. CNC Machined: This underwater thruster has CNC machined 6061 T6 aluminum front and rear covers, which has good performance and it is also durable. 2. Copper Coils: The underwater thruster propeller has high purity, high temperature resistant copper coils, which can effectively provide high efficiency. 3. Premium Components: The waterproof brushless motor thruster has high performance, and waterproof and dustproof 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. 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