1. 130000 RPM turbofan, brushless motor, powerful. 4. Digital display screen: can intuitively see the battery level display and gear display 3. Built in lithium battery, with long battery life and up to 4 hours of low-frequency use. 2. Strong dust removal, handling a series of debris such as accumulated dust, sand, hair, etc. 5. LED lighting: double-sided LED lighting, more convenient for night use lighting