SMAKN Mini Motor Micro 3.7g Servo Set for Control Aircraft Flight Direction Rc Plane Operating voltage: 4.8 ~ 6.0V Working speed: 0.12sec/60 degree (4.8V). The work torque: 0.7Kg/cm (4.8V): 0.8Kg/cm (6.0V) Operating temperature range: -30 ~ +60 Dead-set: 10usec