100% Brand New.Material: Aluminum， Plastic， CopperColor: Red and BlackItem: Digital ServoSize: 40.7 x 20.5 x 39.5 mm ( 1.60 x 0.80 x 1.55 inch)Torque(4.8V): 16.5 kg-cm (229.1 oz/inch)Torque(6.6V): 20.0 kg-cm (277.7 oz/inch)S