High-quality plastic, long service life and durable High speed and strong power Simple to use, professional and very practical Portable, easy to carry and convenient to place Clear texture and exquisite workmanship Specification: Material: Plastic Color: Grey Package Includes: 1 PC (as selected) or 4 PCS (1 PC 8879 + 1 PC 8884 + 1 PC 8881 + 1 PC 8882) Notes: All motors are compatible with LEGO Power Functions (PF) components. However, our receivers and remote controls (models 8879, 8884, 8885, 8881, 8882) operate on a 2.4 GHz wireless frequency and are not compatible with original LEGO infrared remotes or receivers. Please check product dimensions before purchasing to ensure suitability for your needs. Detailed features and specifications are provided in the title and product information. We strive for your complete satisfaction. If you have any questions, please —we’re happy to help. Thank you for choosing our product.