Gomco® OptiVac® AC/DC Portable Suction Unit Features & Benefits3 hours run time at max vacuum on full charge1 hour run time after 2 hours of charging25-50mm Hg vacuum rangeCharges in 8 hoursFull AC performance with partial battery chargeBattery maintenance system to prevent over-chargingLong time internal rechargeable batterySealed water-resistant unit3-year warranty on unit TECHNICAL SPECS INQUIRE FOR PRICING