Jrelecs 3650 5900KV Sensorless Brushless Motor 120A Brushless ESC & Program Card Waterproof Motor ESC Combo 3.175mm Shaft for 1/10 RC Car Truck. Voltage: 6.1 Volts. Item Weight: 115 Grams. Package Dimensions: 4.88 x 4.06 x 3.9 inches. Item Weight: 4.1 ounces. Item model number: JR-AP468. Efficient and high-speed ball bearings. High purity copper windings maximizes efficiency. Short stator, less wire, lower resistance, more power. Consistent and high-power output provide longer run time Super smooth and accurate throttle linearity Fast response to throttle input. Mutiple protection features: Low voltage cut-off protection for lithium or nickel battery, Over-heat protection, Throttle signal loss protection, Motor blocked protection.