handheld mini vacuum sealer CE,ROHS approval vacuum sealing,protect food and fresh items,easy use,easy operate 1) Improve freezer storage2) Store dry food such as biscuit , bread , tea leaves, or other unsealed food3) Reserve photos, stamps ,etc within vacuum bag4) Can be used in hotel ,camp5) Vacuum bag is reusable & harmless6) Power supply : DC 9V or 6pcs AA batteries