Mini Digital servo Size : 22.8x12x31 mm. Voltage : 3v ~ 6v Weight: 13grs. Speed : 0.13/0.08 sec/60º(4.8V-6V). Torque : 3.1/3.5 kg-cm (4.8V-6V). Working Temp : -30C~60C Metalic gears. Teflon Bushing, 15cm wire, coreless motor Servo arms & screw included