This is the Hobbywing EZRun MAX10 SCT 1/10 Waterproof Brushless ESC and 3660SL Motor Combo. This combo is compatible with up to 3S LiPo power, and is the perfect upgrade for your 1/10 scale 4WD truck and monster truck vehicles. NOTE: This motor included in this combo requires 5mm bore pinion gears. ESC Specifications: Continuous Current: 120A Peak Current: 830A Connector Type: XT60 Motor Type: Sensorless Brushless Motor Applications: 1/10th Short Course Trucks, Stadium Trucks, Monster Trucks Motor Limit: 2S LiPo: KV ?6000 3S LiPo: KV ?4000 4S LiPo: KV ?3000 LiPo/NiMH Cells: 6-12S NiMH, 2-4S LiPo BEC Output: 6V/7.4V Switchable, Continuous Current of 4A (Switch-mode BEC) Size (LxWxH): 49.0x39.5x34.7mm Weight: 105g Programming Port: FAN/PRG Port Motor Specifications: kV: 3200 LiPo: 2-3S Resistance: 0.0083 No-Load Current: 4.9A Motor Diameter & Length: 36mm & 60mm Shaft Diameter & Length: 5mm & 18.5mm Pole: 4 Weight: 262 grams Includes: EZRun Max10 SCT ESC EZRun 3660SL Brushless Motor (3200kV)