USV20 is a compact chamber vacuum sealer for a sample package to make shipping and storage safely. Also, it can be used as sample sealing for CIP samples before pressing. SPECIFICATIONS Features Chamber dimension: 12.25"W x 8.5"L x 3"H Clear View Glass Lid for Easy Loading - Provides Full Visibility of Vacuum & Seal Process Easy to Use One-Touch Controls Adjustable Seal Time Function - Ensures a Perfect Positive Seal. 11" L Seal Bar with 2 Sealing Wires Fast, No Maintenance Dry Piston Vacuum Pump is built-in Vacuum Time setting: 15-60 Seconds Sealing time setting: 3-9 Seconds Plastic pouch 250 pcs pre-cut heavy-duty plastic pouch is included for immediate use Size: 8“ x10" with thickness 3 mil Power 110VAC, single phase, 50/60Hz 300W Max. Compliance ETL listedConforms to UL STD.963Certified to CSA Optional: Round Wafer Carriers Membrane Film Boxes Gel Sticky Boxes Vacuum Pen &Tweezers IC Tray & Plastic Boxes Vacuum Storage Chambers