Vacuum Sealer factory Household Food Saver Portable Meat Vacuum Packer, Vacuum Sealing Machine for Food Main Function Automatic Vaccum-Seal / Sealing-Only Space of Time 15-20 seconds Vacuumizing Speed3L / Min Vacuumizing Pressure -65 kPa Charging Voltage DC4.7V-5.2V Successive Vacuum Seal 鈮?nbsp;50 times Time of Rechargeable 锛?Hours Seal Bag Width Max 30cm Battery Capacity Li-ion 2000mAhMachine Model Number QH-S02 EnduranceContinuous Vacuum Seal 鈮?0 timesTime of Vaccum Seal10-17 S Machine Certificate CE,EMC,ROHS,FCC Control Panel Press-Button Net Weight of Machine http://www.sealervacuum.com/vacuum-sealer/