Combining high torque with high speed the HS-7945TH is Hitec's most versatile high voltage digital servo. Designed to operate on a two cell LiPo pack, the HS-7945TH features Hitec's high resolution 'G2' second generation programmable digital circuit and Hitec's indestructible Titanium gears giving you the performance and durability you've come to expect from a Hitec servo. Other features in the HS-7040TH include a 7.4V optimized coreless motor, integrated heat sink case, and a top case with two hardened steel gear pins supported by axial brass bushings. The HS-7945TH has been designed for applications where both high speed and high torque are needed. The HS-7945TH is perfect for High Performance Aircraft, Cars, and Trucks as well as larger Nitro and Electric Helicopters.Programmable Features Include - Dead Band Width Direction of Rotation Speed of Rotation (slower) End Points Neutral Points Fail Safe On/Off Fail Safe Point Resolution* (default is high resolution) Overload Protection* (default is off) *These features are only programmable with the HFP-20, HPP-20 or HPP-21 programmers.