Welcome to our store! 1. Waterproof Design: The motor has a waterproof design and related waterproof processes, which have certain anti-corrosion functions and can operate normally in rain. 2. Motor and Copper Wire Coil: Design of a 14-stage 12-slot motor with high torque. High purity copper wire coil, maximum efficiency, 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 accuracy, and long-term use. 5. Good Workmanship: Exquisite workmanship, beautiful appearance design, small portable size, providing you with a great 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 Accessories 8 x Screw 1 x Manual