1. Brand new.
2. High torque & high efficiency. The overall efficiency exceed 90 percent.
3. Low heat production, long lifetime, strong overload protection and it can function 95% of its features without any heat sink appliance.
4. High quality materials adopted: high intense aluminum alloy anodizing shell, front & back cover, high-performance temperature-resistant magnetic steel and imported high-speed bearing.
5. High quality and durable in use.
