Its compact design, ease of operation, rechargeable battery, AC power supply, and fully enclosed unit make it the most versatile product in the line of portable suction. Angled control panel provides easy viewing. Provides 3 hours of run time at maximum vacuum on a fully charged battery and 1 hour of run time after just 2 hours of charging. Fully chargeable in 8 hours. AC or DC operation allows this unit to be functional 24-7. 25–500mm Hg vacuum range, coupled with greater than 30 lpm flow, provides powerful suction for faster aspiration. 3-year warranty on unit and 1 year warranty on battery.