Here is a simple, low-cost, high quality servo for all your mechatronic needs. Small servo with a standard 3 pin power, control cable, and mounting hardware.

Features:

• Operating Voltage: 4.8V~6.0V
• Operating speed: 0.20sec/60 degree (4.8V)
• Operating speed: 0.18sec/60 degree (6V)
• Output torque: 2.8kg/cm (19.6oz/in) (4.8V)
• Output torque: 3.2kg/cm (19.6oz/in) (6V)
• Dimensions: 28.8 x 13.8 x 30.2mm