2822 Brushless RC Boat Motor 2-4S 16800RPM Underwater Thruster Motor 3-blades Propeller Kit for DIY ROV Robot Model Boat Submari 2822 Brushless RC Boat Motor 2-4S 16800RPM Underwater Thruster Motor 3-blades Propeller Kit for DIY ROV Robot Model Boat Submari. Sale price : $11.98 Category : Toys & Hobbies