This is a DENX brand Vacuum Sealer. Its function: It sucks the air out of bags and then seals them tightly, which is beneficial for: • Preserving food for a longer period (meat, vegetables, dates...) • Preventing spoilage and bacteria • Reducing odors inside the refrigerator or freezer • Compressing and organizing items How to use it briefly: 1. Put the food inside a special vacuum bag 2. Insert the bag's edge into the device 3. Select the Vacuum Sealing button 4. The device sucks out the air and seals the bag automatically It also has a Regular Sealing option if you just want to seal the bag without vacuuming.