Precautions : When sealing, you must press both sides with your hands, otherwise it will not be sealed!Instructions● Put the food into the bag, straighten the bag, remove dust and smooth wrinkles. ● Place the open end of the bag into the vacuum chamber under the air inlet of the machine. ● Press the top cover with your palm, then press the sides of the cover to lock the upper case.● Select the wet and dry mode and press the button. ● Press the vacuum seal button. When the LED turns red, the bag will automatically seal. When the LED turns green again, the process is complete. ● After completing the sealing, simultaneously press the left and right locks, open the lid, and remove the food.●Two dry and wet modes of our food saver vacuum sealer machine are available to ensure a hermetic seal regardless of the type of food you are sealing. Moist- raw meat, seafood; Dry- food that does not seep; Normal- grain, hard fruits and vegetables, jewelry, parts, electronics that need to be preserved for a long time; Gentle- baked goods, fragile snacks, high-altitude fruits and vegetables.NOTE? Slightly press or firmly hold is better when vacuuming. ? Use professional seal bags for vacuum sealers width under 11.8inch. ? If you have any problem, Please kindly contact our customer service, we will deal with it within 24 hoursTechnical Specs: Power: 90W Degree of vacuum: -60 KpaFrequently Asked QuestionsQ: Does this have the option to seal without the vacuum function?A: Yes. You have the option to either vacuum seal or just seal. Left button vacuum + seal, right button single seal function,press the button on the right for 4 seconds to seal the bag separately(Note:When working, the effect of pressing the vacuum and sealing on the machine with both hands will be better.)Q: Which packages are suitable?,If this vacuum machine can use any vacuum bags? Does it only apply to textured bags? Can I use a smooth bag?Can purchase additional bags?A: Can only be used with texture bags