Feature: 1. Metal Gear: The digital steering gear is equipped with mini metal gear, which is shockproof, low noise and stable in performance. 2. Durable Materials: Metal gear servo is made of premium copper and electronic components materials, wear resistant, light in weight and not easy to be damaged. 3. Scope of Application: Micro digital servo is suitable for RC helicopter, flying airplane, glider, small robot and other RC models. 4. Working Specification: Working voltage of this metal gear digital servo is 5V to 8.4V, working torque is 2.0, 5.0kg.cm, working speed is 0.12, 0.09s per 60 degree. 5. Replacement Part: Mini digital servo is easy to install, you can replace the old or damaged parts to obtain higher strength. Specification: Item Type: Metal Gear Servo Material: Copper, electronic components Gear Material: Metal Gross Weight: 25g / 0.9oz Working Voltage: 5V-8.4V Working Torque:2.0, 5.0kg.cm Working Speed: 0.12/0.055s/60Degree Servo: Digital Servo. Package List: 1 x Metal Gear Servo4 x Plastic Servo Arm5 x Screw Note: 1. Please allow 1‑3mm error due to manual measurement. Please make sure you don't mind before ordering;2. Due to different shooting lights and different monitors, the pictures may not reflect the actual color of the real object. Please make sure you don't mind before ordering, thank you!