Feature: 1. Stable Performance: Mini RC servo, stable performance, strong anti interference ability, quick response, high accuracy, more delicate control. 2. Metal Gear: RC digital servo is designed with super strong metal gear, which ensures long life and durability and is not easy to be damaged. 3. Efficient And Energy Saving: Metal gear servo has high speed, light weight, high efficiency and low power consumption, low vibration and stable operation. 4. Easy To Install: 17g metal gear servo is finely made for better performance and easy installation. With installation accessories such as servo arm and screws. 5. Multi Application: This servo is designed with high accuracy and high efficiency analog circuit. Suitable for RC aircraft, helicopters, cars and robots. Specification: Item Type: RC Servo Material: Plastic, Steel Servo Size: Approx. 40 x 35 x 13.5mm / 1.6 x 1.4 x 0.5in Color: Black Number of Teeth: 25T Working Voltage: DC 4.8V-6V Working Speed: 0.23s/60° (4.8V), 0.20s/60° (6V) Stall Torsion: 1.5kg/cm (4.8V), 1.8kg/cm (6V) Applicable: For 1/16 1/18 RC Cars, Boats, Robots, etc. . Package List: 1 x RC Servo4 x Servo Arm4 x Vibration Damping Pad4 x Screw Barrel5 x Screws Note: Manual measurement, please allow some errors.