Press and hold for about 3 seconds to activate the heating function, then proceed with your operation. This product does not include batteries. Please prepare two sets of AA alkaline batteries yourself. The purpose is to keep food fresh and dry. Features:
This portable food preservation device uses advanced technology, simple and quick operation without preheating. Just press the lid, and the high-performance heating film quickly reaches the sealing temperature for energy efficiency. Just place the bag to be sealed in the center, slide slowly and steadily along the edges of the bag to form a seal. Please note that it is not suitable for pure paper or aluminum bags