High-point vacuum degree: ≤1.0kpa the volume of the vacuum chamber: 590×420×210mm the rate of the vacuum pump taking out air: 20 cubic meters /H the available heat sealing size: 400×8.2mm the quantity of heat sealing bar: 1 piece work voltage/frequency: 220V/50HZ electrical power: 0.75kw producing rate:bag per 30 seconds mechanism size: 725×490×970mm the outline packaging size: 850×620×1040mm product net weight: 91kg product gross weight: 125kg