Waterproof, suitable for condition races. Specially designed for 1/10 1/12 RC car. 4 pole 12 slot High-torque motor design. CNC Machined 6061 T6 billet aluminum heatsink can. High purity copper windings maximizes efficiency. High RPM ABEC5 oversized bearings. Precision balanced rotor, smoothness for best reliability and maximum RPM Stator - super thin (0.35mm) Laminations. Removable/replaceable rotor. Model: F540 Watts: 800W Max voltage: less than 13V Max Amps: 60A Max RPM: 50000 Plug type: 4mm golden banana plug Mounting Hole: M3 Motor Type: For 2s Lipo or 6 cells NiMH: On-road: 3656-size or smaller motor with the KVless than 5600 Off-road / / monstro: 3656-size or smaller motor with the KVless than 3900 For 3s Lipo or 9 cells NiMH: On-road: 3656-size or smaller motor with the KVless than 3800 Off-road / / monstro: 3656-size or smaller motor with the KVless than 2700 Tool Supplies:Assembled class Upgrade Parts/Accessories:Gear RC Parts & Accs:Motor Components Use:Vehicles & Remote