The HS-1005SGT Heavy Duty Giant Scale Digital Servo is a extreme servo for extreme projects.The extreme power and durability of the HS-1005SGT is astounding. Designed from the ground up for industrial applications, this servo is the perfect answer for demanding giant scale aircraft pilots and 1/5th scale buggy and truggy drivers. Featuring all aluminum, EMIshielded cases, solid steel gears and non-programmable digital circuits, this servo can take a beating while delivering precise performance. Designed to operate on 3 and 4-cell LiPo batteries, the HS-1005SGT brings hefty torque.