Which kind of robot servo motor will you choose?

TowerPro MG945 robot servo motor features:

• MG945 digital servo 12kg stall torque
• MG945 metal gear standard size servo
• The Towerpro digital servo is a must have RC helicopter accessories
• RC servos used advanced technology to ensure the Towerpro digital servo performance better than other metal gear servo
• Digital servo compatible with all kind of RC receiver

Big torque Tower Pro MG996R robot servo motor specifications:

Manufacturers ID: MG996R.
Product weight: 55g.
Product Dimensions: 40.7 * 19.7 * 42.9mm.
Product Rally: 9.4kg/cm (4.8V), 11kg/cm (6V).
Speed ​​of response: 0.17sec/60degree (4.8v) 0.14sec/60degree (6v).
Operating voltage: 4.8-7.2V.
Operating temperature: 0 ℃ -55 ℃.
Gear Type: Metal Gear.
Work deadband: 5us (microseconds).

TowerPro MG995 robot servo motor specifications:

• Stall Torque: 10kg/cm
• Operating Speed: 0.2sec / 60degree(4.8V)
• Operating Voltage: 4.8-7.2V
• Temperature Range: 0℃-55℃
• Dead Band Width: 10us
• Dimension: 40.7 x 19.7 x 42.9mm / 1.60 x 0.78 x 1.69in (L x W x H)