Feature: 1. It is made of high‑quality 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, high‑precision 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: DS3225MG Working Voltage: 4.8-6.8V DC Torque (5V): 21 kg/cm Torque (6.8V): 25 kg/cm Speed: 0.15 seconds / 60° (5V) / 0.13 seconds / 60° (6.8V) Reduction Ratio: 310:1 Servo Blade Specifications: 25T/ψ5.80 Gear Ratio: 275 Pulse Width Range: 500-2500 μsec Working Frequency: 50-330Hz Neutral Position: 1500μs Controllable Angle: 180° Angle: 90° Dead Zone: 3μs Drive Mode: PWM Suitable Motor Type: DC Motor Suitable Gear Types: Copper and Aluminum Wiring: Red = Positive / Black and Brown = Negative / Yellow and White = Signal Wire Fitment: Fit for 1/8 RC CarFit for 1/10 RC Car Fit for 1/12 RC Car . Package List: 1 x RC Servo5 x Servo Arm6 x Screw4 x Sealing Ring 4 x Accessory Note: 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.