Remote control car RV flat sports car steering steering gear steering servo Robot steering gear precision machining metal gears, high precision, small virtual space, smooth operation High-quality motor, large torque, low energy consumption, high efficiency Double bearing design, waterproof design High-quality potentiometer with cycles of Digital circuit, fast response, low failure rate, high precision digital circuit board, driven by mos-FET, and digital processor, fast and control in good condition. Futaba standard 25T tooth key Classic White Shell Model.:-S1211M Speed: 0.11sec/60degree 6V: 0.09sec/60degree 7.4V: Stall torque: 12.6kg/cm 6V: 13.8kg/cm 7.4V: (Using 2s lithium battery needs to use UBEC voltage regulator, because it can reach 8.4V when fully , it will burn out the servo, and the unstable voltage will also affect the work of the servo) Working voltage: 6-7.4Volts, Line length: 25cm Compatible with well-known remote control systems such as Futaba, JR, , Hitec, etc. Colour:White Material:Plastic + Metal Size:40.5 x 20 x 28.3mm Package Contents: 1 set of 12kg steering gear Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.