Description -- This outboard thruster is designed for RC boat, RC yacht. It is suitable for body length less than 30inch RC boat. -- Specification & Features -- * KV3000 Outrunner Brushless Motor with Cooling Pad * Working Voltage: 11.1V( 3S ) * Maximum current: 30A * Connection: 3.5mm male banana connector * Water Cooled CNC Motor Mount * Adjustable CNC Mounting Bracket * CNC Mid Section & Lower Unit * Carbon Fibre Anti Ventilation Plate * Plastic Housing * 1/8" 3.18mm Drive Shaft * 1/8" 3.18mm CNC 2-Blades Propeller D32mm, Pitch Ratio 1.4 * With 2PCS 2mm*150mm(D*L) tie rods * Dimensions: Height 156mm, Width 56mm, Length 134mm * Recommendation(Not included): 70A or larger ESC, 3S Li-Po battery -- Item Contains -- 1 piece of 12V 3S KV3000 Outboard Motor Engine Propeller Thruster Boat Tail Drive System for RC Boat Yacht