The MJ-7758HV is an 8.4V high voltage programmable digital servo designed to deliver precise, reliable performance across a wide range of RC applications. Its robust construction features a mid-case CNC-machined aluminum housing, which enhances heat dissipation and structural strength for consistent performance under demanding conditions. Equipped with a brushless motor, stainless steel gears, and dual ball bearings, the MJ-7758HV provides a torque output of 7.7 kg-cm at 8.4V. This combination ensures smooth operation, long-term durability, and low maintenance. Ideal for RC airplanes, helicopters, cars, and boats, this servo offers advanced control with programmable functionality—allowing for parameter adjustment, smooth start, and direction inversion to fine-tune your system for optimal performance.