Note: The range of KV value here is the recommended value under the standard application (combined with the rpm supported by the motor and the actual load of the whole vehicle), and does not represent the maximum rpm supported by esc.Includes:(1) Ezrun MAX6 G2 ESC(1) EzRun 4990 SD G2 motor or EzRun 5690 SD G2 motor with your choice.User's manualA HOBBYWING decalMotor Specifications:LiPos: 3-8SNo-Load Current: 6.6ADiameter/Length: D-56mm (2.20") / L-90.2mm (3.55")Shaft Diameter/Length: 8mm (0.31") / L-30mm (1.18")Bearing Size (mm): Front: D22*D8*T7 / Rear: D19*D8*T6Poles: 4Weight: 867gApplications: 1/6th Short Course Truck, Truck / 1/5th Light-Load TruckESC Specifications:Cont./Peak Current: 200A / 1200AMotor Type: Sensored / Sensorless Brushless MotorApplications: 1/6 & 1/7 On-Road, Truck, Monster TruckMotor Limit (note): With 6S LiPo: KV<2400 / With 8S LiPo: KV<1700 4990/5690 Size MotorLiPo Cells: 3-8S LiPoBEC Output: 6V/7.4V/8.4V adjustable, continuous current 8A (Switch-mode)Cooling Fan: A stable 6V or 7.4V or 8.4V from the built-in BECSize/Weight: 70(L) x 56(W) x 45.5(H)mm / 245g (Included input wires)Programming Method: iOS or Android smart phone (installed with the HW LINK app)