Portable vacuum pump - the ultimate solution for all your automotive, refrigerator, and ac repair needs. With its powerful 20v-4ah li-ion battery system, this single-stage compact vacuum pump provides a whopping 60~70 minutes of continuous work, ensuring you can tackle any task with ease. Designed for both indoor and outdoor usage, this vacuum pump operates ultra-quietly, allowing you to work without disturbing your surroundings. | Key Feature 1 value: 3CFM | Key Feature Title: Suction Volume | Key Feature 2 value: 10 Pa | Key Feature 2 Title: Max Vacuum | Key Feature 3 Value: 1/3 eHP | Key Feature 3 Title: Electric Motor | dimensions: 10.6 x 4 x 6.6 (L x W x H Inches) | pump type: Vacuum | fitting size: 1/4 Flare | battery type: 20V Lithium Ion | brand model compatibility: SuperHandy - GUT051 & GUT067