With CNC machining all-metal case, D1S has smart Drift laser mark. Its reversed tail line, steel gears and precise gear clearance are designed for the Yokomo YD-2 frame and other 1/10 drift cars. Voltage from 6.0-8.4V, torque can be put up to 18.5KG with speed 0.08S, under 8.4V. The weight of the servo just 58g. What’s more, D1S support SSR mode and its parameters can be reset with SRT PROGBOX programming card, which brings more controllability and fun to players.