Description The SB2271SG combines leading edge technology with super high 12-bit (4096) resolution and full aluminum gears for one amazing servo! This servo uses a brushless motor providing high speed, incredible efficiency, and low power consumption. The extremely strong aluminum gears ensure long-life and durability. High-voltage-capable for running direct LiPo receiver packs. Ideal for rock crawlers and steering servo on 1/8-scale buggies. Features: Combines leading edge technology with super high 12 bit (4096) resolution and unique steel gears. Super light-weight. Brushless motor provides high speed and torque, incredible efficiency, and amazingly low power consumption. Extremely strong unique steel gears ensure long-life and durability. The full 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 rock crawlers, monster trucks, every control surface for giant scale aircraft, and 700 class heli cyclic. High Voltage Specifications: Dimensions(mm): 40.3×20.2×38.5 Weight(g): 69.0 Speed(@4.8V sec/60): .105 Torque(@4.8V oz-in): 152.8 Speed(@6.0V sec/60): .085 Torque(@6.0V oz-in): 208.3 Speed(@7.4V sec/60): .065 Torque(@7.4V oz-in): 277.0 Gear: Unique Steel Bearing: 2BB Case: Full Aluminum 25 Tooth Spline Frequency: 250-333 Pulse Rate Frequency: 1520