Description: The Waterproof 540 13.5T Sensored Motor Brushless will provide more power and longer run times with its high efficiency?let your car challenge the muddy road High Purity Copper Windings Maximizes Conductivity?High Power Solder Tabs?Removable/Replaceable Rotor?CNC Machined Billet T6 Aluminum Heatsink Can. Powerful Sintered Neodymium Magnet?Precision Engineered for Maximum Energy Conversion. Adjustable Timing?Compatible with any Sensored/ Sensorless ESC?IFMAR, ROAR Compliance. Suit for for 1/10 RC Car Truck Crawler Boat. Specification: Turns: 13.5T Max Current: 49A Watts: 190W Can Size: 540 Sensored: Yes Can Diameter: 36mm Can Length: 50mm Shaft Diameter: 3.175mm Shaft Length: 13mm Weight: 173g/6.1oz Max voltage: 3.7V(1S)-11.1V(3S) Material:Aluminium alloy Size Chart: Size:36 x 50mm Color:Blue Package Includes: 1 X 540 13.5T Waterproof Sensored Motor Brushless 1 X Sensored wire