Welcome to our store! 1、Waterproof Design: The motor features a waterproof design and related waterproof processes, providing some anti-corrosion properties and allowing normal operation in the rain. 2、Motor and Copper Wire Coil: Designed with a 14-stage, 12-slot motor for high torque. High-purity copper wire coil for maximum efficiency and temperature resistance of 180–200 °C. 3、Imported Ultra-Thin Silicon Steel Sheet: Excellent performance, high magnetic conductivity, high silicon content, good insulation, and heat resistance. 4、Sealed Bearing: High-speed ABEC5 ultra-durable imported sealed bearing with low friction, low noise, high precision, and long-lasting use. 5、Good Workmanship: Exquisite workmanship, beautiful appearance design, small portable size, providing you with a fantastic user experience. Item Type: Brushless Motor Material: Aluminum Alloy, Copper Product Color: Black, Red Weight: Approx. 65g / 2.3oz Shaft Length: Approx. 12mm / 0.47in Shaft Diameter: Approx. 3mm / 0.12in Interface: 3.5mm Golden Head Male 1 x Motor 4 x Motor Base Accessories 8 x Screw 1 x Manual Satisfaction Guarantee: Customers are our top priority. If you find any product problems, please contact the seller immediately. We strive to provide satisfactory customer service.