100% brand newGreat for truck， Boat， Racing Car， Crawler， Helicopter， Airplane and robot.Power Supply: Through External Adapter or receiverStable and Shock Proof.- Coreless Motor- Double Ball Bearing - Dimension : 40mm x 19mm x 43mm - Weight: 55g- Stall torque: 13kg/cm(4.8V)， 15kg/cm(6V)- Operating speed:0.17sec/60degree(4.8v) 0.14sec/60degree(6v)- Operating voltage: 4.8-7.2V- Temperature range: 0℃-55℃- Dead band width:5us- Gear Type: All Metal Gears- Connector Wire: Heavy Duty， 11.81" (300mm)Package Includes:MG996R Metal Gear Servo x1Servo accessories ( arms， horm) x1