Specifications:
The original upgrade waterproof F540 3930KV brushless motor with waterproof 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: SurpassHobby
- Size: 540 ( waterproof )
- Watts: 820W
- Max voltage: <13V
- Max Amps: 60A
- 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: SurpassHobby
- Continue current: 45A ( waterproof )
- 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)

Size:A (3930KV
Package List:
1 * F540 3930KV Motor
1 * Waterproof 45A Brushless ESC

PSize:B 3930KV
Package List:
1 * F540 3930KV Motor
1 * Waterproof 45A Brushless ESC