Savox High Voltage 5th Scale Servo This is the Savox High Voltage 5th 0.15/486 7.4V Steel Gear Digital Servo. The Savox High Voltage Servo combines leading edge technology with super high 12 bit (4096) resolution and unique steel gears. Its super light-weight, high speed, has incredible efficiency, and low power consumption.The Savox High Voltage Servo's extremely strong metal steel gears ensure long-life and durability. The full aluminum case design