Specifications: Product Name: Brushless Motor Underwater Propeller Color: Green Motor Material: 304 stainless steel bearing + aluminum alloy Housing: PLA Nylon Propeller Specifications: Positive propeller Voltage: 12-24V Current: 17A Power: 100-300W Motor: 1450KV Product Size: 75*62*62mm Cable Length: 250mm - Three-phase brushless motor. - Insulation and corrosion resistance. - Nylon propeller 4 blades. - Use: Ship model accessories, underwater robot, remote control boat model. Note: This propeller must be equipped with a brushless motor driver to work normally. With a brushless motor, it can be forward and backward. It must be equipped with an electronic speed controller. It must be at least 30A above. It is strictly forbidden to connect directly to the battery. Package Contents: 1 x Brushless Motor Underwater Propeller Note: 1. Please allow a slight deviation of 1-5 mm due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you