Rechargeable battery design eliminates the need for frequent battery replacements Simply turn on the switches and press a button to quickly heat seal or precisely cut bags, saving you time and effort Combined sealing and cutting functions with a hidden outlet for during use Great for various bags like potato chip bags, biscuit bags, vacuum bags, and cereal bags; not suitable for paper or aluminum bags containing oil Features a back for easy attachment to refrigerators or metal surfaces, and featuring a bottle opener function, easy to use