The Power HD waterproof series TR-5 mini steering gear is perfectly compatible with TRAXXAS 1/16 series models, and can be used in small-scale model cars and ships that require waterproofing. The output signal line at the bottom of the servo, the cable length is 18CM, the output teeth use the standard size of the servo, the spline is 25T metal teeth, it is perfectly compatible with the original steering gear arm, the voltage is compatible with 4.8-8.4v, and the torque is 8.0KG at 7.4v, Speed 0.07s.