This is the Savox Waterproof Standard Digital Servo .15/208.
The Savox SW0231MG is a waterproof, budget friendly digital servo with great torque for many applications. This brushed servo features a speed of 208.0 and .17 oz-in of torque 6.0V. It combines super high 12-bit (4096) resolution, leading edge technology, and metal gears for greater precision when dodging puddles. This is a great upgrade if you're looking to drive your RC vehicle in any condition...ain, sleet, or snow.
Includes: One Savox Waterproof Standard Digital Servo .15/208
Speed(@6.0V sec/60): .17
Torque(@6.0V oz-in): 208.0
25 Tooth Spline