Precision machining of metal gears, high precision, small virtual space, smooth operationHigh quality 17X23 high torque hollow cup motor, low energy consumption, high efficiency and long lifeheat dissipation design machined all-metal shell, under the fast response control, there is still a good heat dissipation effect, and it is beautiful and durableDouble bearing design, waterproof design; Bold and lengthened high-pressure wear-resistant steering gear line; 1 million times long life high quality potentiometer; Comprehensive upgrade to use programmable digital circuits, select 12bit high-resolution IC for steering gear, fast signal processing speed, large torque, fast action, more delicate and smooth angle control, fast response speed, low failure rate, and high precisionStandard size , Futaba standard 25T gear key[Specification]:Model: -CLS305TDOperating voltage: 4.8V ~ 7.4VSpeed: 0.15sec/60deg (6.0v) 0.13sec/60deg (7.4v)Stall torque: 27kg.cm (6.0v) 29.5kg.cm (7.4v)Gears: Metal TeethBearing: Double bearingType: Full metal case, digital circuit, hollow cup motorStandard size, hollow cup motor, digital circuit, full metal shell, high voltage, metal teeth, 25T, double bearingCompatible with well-known remote control systems such as for Futaba, JR, , Hitec, etc.Operating angle: 180 degrees (500-2500us)colour: as shownMaterial: MetalSize: 40mm x 20mm x 41mmPackage Contents:1 set x all metal shell 30kg steering gearOnly 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.