RC Boat Thruster Jet Pump Set with 540 Brushed Motor for RC Boats Upgrade Description: Durable : Made of plastic , rubber material, durable and wear resistant. DIY Parts: Well adopt the sailing environment, good performance, able to forward and backward. Fits For: It is suitable for the refitting of remote controlled boats, which can propel the hull of about 3-4 KG . Wide Usage: It is suitable for the refitting of various model ships and remote controlled boats. Professional: Perfect for pushing the boat powerfully by reducing the affection of natural water flows. Specifications: Material: plastic , rubber pipe KV value: 4370 KV Maximum current: 66A Power: 820W Size Chart: Propeller Diameter:2.6cm or 1.02inch Water jet pump:15cm x 4.5cm x 5cm or 5.91inch x 1.77inch x 1.97inch Brushless motor:7.5cm x 3.5cm or 2.95inch x 1.38inch Radiating Tube:38.5cm x 4cm or 15.16inch x 1.57inch Tube Length:40cm or 15.75inch Package Includes: 1x Water Thruster Jet Pump 1x 4370KV 540 Brushed Motor 1x Motor Pad 1x 540 Radiating Tube 1x Accessories