Feature:1. It is made of highquality plastic and metal, and has undergone precise processing to ensure durability.2. Fast heat dissipation, high torque compatibility, and highly sensitive torque compatibility.3. Multiple waterproof design, double ball bearings, highprecision gears, high noise, low rotation and stable rotation.4. The surface is anodized, which helps the motor to dissipate heat, improves the strength of the servo housing, and has an elegant appearance.5. There are 5 different steering gear arms in the package, which can meet your different needs.Specification:Item Type: RC ServoMaterial: Metal + PlasticColor: BlackSize: Approx. 40.5x40x20mm/1.59x1.57x0.79inWeight: Approx. 83.0g/2.9ozModel: DS3225MGWorking Voltage: 4.8-6.8V DCTorque (5V): 21 kg/cmTorque (6.8V): 25 kg/cmSpeed: 0.15 seconds / 60 (5V) / 0.13 seconds / 60 (6.8V)Reduction Ratio: 310:1Servo Blade Specifications: 25T/5.80Gear Ratio: 275Pulse Width Range: 500-2500 secWorking Frequency: 50-330HzNeutral Position: 1500sControllable Angle: 180Angle: 90Dead Zone: 3sDrive Mode: PWMSuitable Motor Type: DC MotorSuitable Gear Types: Copper and AluminumWiring: Red = Positive / Black and Brown = Negative / Yellow and White = Signal WireFitment: Fit for 1/8 RC CarFit for 1/10 RC CarFit for 1/12 RC Car.Package List:1 x RC Servo5 x Servo Arm6 x Screw4 x Sealing Ring 4 x AccessoryNote:1. Manual measurement, please allow 1‑3mm/0.04‑0.12in error, thank you.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.