2-in-1 Heat Sealer & Cutter Design: This innovative product is patent-protected and made from high-quality ABS + silicone. Quickly seal any type of bag! Simply twist the knob to switch to cutter mode and easily open sealed bags. 3 Temperature Modes: Intelligent temperature control for fast sealing and cutting. Choose from 3 temperature settings (thick bags, regular bags, and super-thin bags). A great way to store leftover snacks, food, and fruit, preventing waste and mold growth while keeping food fresh. USB Rechargeable: Built-in 1300mAh high-capacity rechargeable battery for long-lasting use. The battery lasts for 20-30 uses on a full charge. Comes with a USB cable for convenient charging anytime. Safety First: Multiple safety features. The heating wire is hidden inside to prevent burns. Seal bags by turning the knob to the + position, and open bags by turning to the - position. When not in use, turn the knob to the center position between + and - to lock it and prevent accidental heating, keeping children safe. Wide Application: This bag sealer works on various bag materials: coated aluminum foil bags, PP, PE, PVC bags up to 0.35mm thick. Perfect for sealing common plastic bags, rice bags, tea bags, chip bags, seasoning bags, salt bags, and other snack bags, meeting your daily needs.