micro serve motor. Main material, plastic, electric parts, metal. Gear micro motor for robot plane helicopter boat car horns remote controlled aircraft for diy. Provides high speeds, incredible efficiency, and low power consumption. Waterproof performance for worry free , long life and durability, light-weight, small size but strong. Features - Color: Black. - Material: Plastic. - Size: 2.28 x 1.22 x 2.85cm/ 0.90 x 0.48 x 1.12 inch. - Operating temperature: 0 degree centigrade-55 degree centigrade. - Rotation angle: 90 degrees. - Operating voltage: 4.8V. - Micro motor, designed with with less noise. - The motor is plastic material, aluminum metal teeth, coreless motor, bearin. - Stable and shake proof. Compliant with most standard receiver connector. - Great for biped robot robot car, suitable for models of fixed-wing aircraft and gasoline fixed-wing aircraft. - Compliant with most standard receiver connector robot arm. Compliant with most standard receiver connector RC helicopter. Package list: 10 x micro motors