Descriptions:- Material: Aluminum alloy + glass fiber- Impeller diameter: 35mm- Nozzle diameter: 18mm- Bearing: stainless steel (motor grade)- Unit price quantity: 1 set- Process: precision die casting + CNC- Weight: 360 grams- Matching motor: 3650/3660/3674/4050/4074 KV1900-2000KV- Suitable voltage range: 3-6S- Suitable for servo steering gear: Emax 3004/3054/3154Features:- The main body of the spray pump adopts aluminum alloy precision die-casting process and is sandblasted, the motor base is made of 6061 T6 aluminum alloy and fully CNC machined. Integrated design with steering gear base and pump body, easy to disassemble the steering gear and save space.- The impeller of the spray pump is made of CNC 7075 duralumin CNC, and the physical balance is consistent, which reduces resonance during high-speed operation and improves the efficiency of water spray.-Built-in six-leaf outlet diversion sheet, the water flow is more concentrated and evenGenerally used for: Model airplane racing boat / unmanned boat / underwater equipment transformationCNC 35mm aluminum alloy propeller：This propeller is made of 7075 aeronautical aluminum CNC, with uniform center distribution, precise size and consistent dynamic balance.Surface anti-corrosion anodizing.Ducted built-in propeller:It is safer to drive and can sail freely in shallow water, which greatly improves the service life of the propeller.Package included:1PCs * Aluminum alloy pump body 1PCs * CNC 35mm impeller1PCs * High quality brass coupling 1PCs * 2mm ball lever x 11PCs * Organ set x 11PCs * CNC integrated motor steering gear 1PCs * Full set of stainless steel screws Not including other items showing in the pictures.After receiving the goods, only need to match the motor and ESC to install and use.The following is the actu