Electric Handheld Power Starter for 16 18 21 Nitro Engine Parts Rotor RC Car This electric starter is an accessory suitable for grade full vehicle series 16/18/21 class engines. It is not compatible with other vehicle systems. The unit features an RC540 motor for electric starting. It starts within 2-3 seconds per use and operates with frequency similar to hand starting. Do not operate the starter continuously for more than 5 seconds to avoid potential damage to the motor or bearing. Avoid use when the engine is seized to prevent gear damage. Material: Plastic Color: Black Package Contents: 1 x Handheld Power Starter set Note: The package includes only the items listed above. Other products are not included. Lighting and display differences may cause slight variations in the color of the item as shown in images compared to the actual product. Measurement may vary by +/- 1-3 cm.