Cirrus CS-3 Micro Joule Servo with JST connectors.

Specifications:

• Weight: 3.0 g (0.11 oz)
• Dimensions: 20 x 6 x 6 mm (0.79 x 0.24 x 0.24 in)
• Power: 3.0 to 7.0 V
• Torque: 500 g-cm (6.94 oz-in) @ 4.8V [350 g-cm (4.86 oz-in) @ 3.0 V]
• Speed: 0.14 sec/60 degree @ 4.8 V [0.20 sec/60 degree @ 3.0 V]