This is the Savox SB-2270SG Monster Torque Brushless Steel Gear Digital Servo which combines leading edge technology with super high 12 bit (4096) resolution.
Extremely strong unique steel gears ensure long-life and durability.
Capable of HV operation.
Brushless motor for smooth operation and efficiency.
Ideal for rock crawlers, monster trucks, and control surfaceS for giant scale aircraft.
Torque @ 6v - 25.0kg/347.2oz-in
Torque @ 7.4v - 32.0kg/444.4oz-in
Speed @ 6v - 0.15 sec/60 deg
Speed @ 7.4v - 0.12 sec/60 deg
Dimensions L x W x H (mm): 40.3 x 20.2 x 38.7