This is the Savox SC-1256TG High Torque Titanium Gear Digital Servo. Features: Combines leading edge technology with super high 12 bit (4096) resolution and titanium gears. Super light-weight. Coreless motor provides high speed, incredible efficiency, and low power consumption. Titanium gears ensure long life and durability. The aluminum case design not only looks good but also allows for cooler and smoother operating temps. Our servos are totally green – from materials to production, these servos are environmentally friendly. Ideal for steering applications in 1/8 scale buggies, monster trucks and rock crawlers. Dimensions(mm): 40.3x20.2x37.2 Weight(g):52.4 Speed(@4.8V sec/60): .18 Torque(@4.8V oz-in): 222.2 Speed(@6.0V sec/60): .15 Torque(@6.0V oz-in): 277.7 Gear: Titanium & Aluminum Bearing: 2BB Case: Aluminum Running current (at no load):  100 mA @ 4.8V Running current (at no load):  120 mA @ 6.0V Stall current (at locked):  4000 mA @ 4.8V Stall current (at locked):  5000 mA @ 6.0V Idle current (at stopped):  5 mA @ 4.8V Idle current (at stopped):  5 mA @ 6.0V Limit angle:  200°±10° Connector wire gauge:  ＃22 AWG Connector wire length:  250 ±5 mm Horn gear spline:  25T Control system:  Pulse width modification Amplifier type:  Digital Controller Operating Travel:  100° (when1000→2000 μsec) Neutral position:  1500 μsec Dead band width:  3 μsec Rotating direction:  Counterclockwise (when1500→2000 μsec) Pulse width range:  800→2200 μsec Maximum travel:  Approx 130°(when900→2100 μsec)