Upgrade your RC boat with the -RC brushless motor, designed for seamless compatibility with for M41 Catamaran and for models ranging from 800-1000mm. Engineered for the toughest conditions, our sensorless motors are completely waterproof. The 5.0mm shaft is crafted with precision to fit perfectly, providing superior power transmission from motor to propeller. Suitable for a broad range of RC boats, this motor ensures , making it an ideal choice for both hobbyists and competitive racers KV (speed/voltage): 3050KV Power: 1600W No-load current: 2.8A-3.6A Maximum voltage: 23V-18V Diameter: 36mm Length: 70mm Shaft diameter: 5mm Connector: 4mm gold banana connector Colour:Black Material:Aluminum Alloy Package Contents: 1 x -RC brushless motor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.