The original upgrade waterproof F540 3000KV brushless motor with 45A ESC combo is designed to provide both quality and performance at an affordable price. Waterproof function motor and ESC let your car challenge the muddy road. Providing much convenience for your 1/10 RC car truck. Features: 4 pole 12 slot high-torque motor design High purity copper windings maximizes efficiency Precision engineered for maximum energy conversion Precision balanced rotor,smoothness for best reliability and maximum RPM Mutiple protection Features: Low voltage cut-off protection, over-heat protection, throttle signal loss protection Bulit-in 5.8V/3A BEC Suit for 1/10 scale RC car Motor Specifications: Brand name: GoolRC Size: 540 Watts: 820W Max voltage: <18V Max Amps: 45A KV(RPM/Volt): 3000KV Max RPM: 50000 Diameter: 35.8mm Length: 50mm Shaft length: 15mm Shaft diameter: 3.175mm Plug type: 4mm golden banana plug ESC Specifications: Brand name: GoolRC Item name: waterproof ESC Continue current: 45A Burst current: 180A Battery: 2-3S Li-Po / 4-9S Ni-Mh Ni-Cd BEC output: 5.8V / 3A Power supply plugs: T plug male Motor plugs: 4mm banana plug female Dimension: 50 * 35 * 34mm / 2.0 * 1.4 * 1.3in (without cables) Package Information: Package size: 10.5 * 8 * 6cm / 4.1 * 3.2 * 2.4in Package weight: 265g / 9.3oz Gift box package Package List: 1 * GoolRC F540 3000KV Motor 1 * GoolRC Waterproof 45A Brushless ESC