Tower Pro SG92R Mini Micro Servo is New version of SG90. It is made with Carbon fiber gears set and control arms are more durable use than SG90 nylon gear and more torque.The SG92R can rotate approximately 180 degrees (90 in each direction), and works just like a standard servo! It is a Digital Serv..
The Towerpro MG90S Mini Digital Servo is 90° rotation servo in each direction. It is a Digital Servo Motor which receives and processes PWM signal faster and better. It equips sophisticated internal circuitry that provides good torque, holding power, and faster updates in response to external forces..