Welcome to our store! Exquisite craftsmanship and high-quality materials ensure long life and higher work efficiency. High magnet and high-quality seal, with waterproof performance and perfect workmanship. High-strength anti-rust layer, with anti-rust and anti-corrosion function. Special anti-seawater corrosion coating, which can be used in high salt and ultraviolet water for a long time. Manufactured with metal and electronic components ensuring maximum durability. Specification Item Type: Underwater Thruster Motor Material: Metal and Electronic Component Color: Black Motor KV: 500KV Max Power: 312W Matching ESC: 30A Maximum Current: 13A Operating Voltage: 12V-24V Maximum Speed: 6000 RPM Diameter: Approx. 28 mm / 1.1 in Length: Approx. 48 mm / 1.9 in Waterproof Depth: 300 meters Shaft Diameter: Approx. 3 mm / 0.12 in Suitable: for RC Boat Package List 1 x 2838 Thruster Motor Note: Please allow 1-3mm error due to manual measurement. Thanks for your understanding. Monitors are not calibrated the same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 100% Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We will do our best to provide you with satisfactory after-sales service.