Heavy duty wiring handles higher current loads. Metal center casing which helps to dissipate heat and is designed to be water and dust resistant. Dual ball bearing gear train. Coreless motor. High torque. One year warranty. Precision fixed-wing and heli flying requires precise, high-tech servos, and we are answering the call with new digital servos that reach full power immediately. They feature high-capacity, high-current wire for low resistance while maintaining standard servo dimensions and light weight so you can mount them almost anywhere.