Instructions For Use Dear friend, please believe me, this product can really be used. It requires a certain amount of patience and skill to use. You must first ensure that the battery is new and has enough power, and then check whether the battery is installed correctly, and slide it slowly when using it. If we encounter problems, we can resolve them through negotiation. If the product is really damaged by the logistics provider in the process of violence, our company will definitely be responsible. Please be patient and try it many times when you use it, thank you for your understanding. Purpose: Keep food fresh and dry. Features: Simple and fast operation. With the latest technology, this handheld food saver is very easy to use and does not require preheating. When the cover is pressed, the high-efficiency and low-loss heating film will immediately reach the sealing temperature. Place the bag to be sealed in the middle, and then slide it along the edge of any bag at a slow and constant speed to achieve an air-tight seal. Not suitable for pure paper bags and pure aluminum bags. Instructions: nsert 2 AA batteries (batteries not included)Unlock the safety/protective cover to the down positionPress the sealing machine to preheat for 5-7 secondsThe surface of the bag required for flattening is sealed along the edgePlace the plastic sealer on the bag and press down firmlyWhen pressed, move moderately from one end to the otherFinally loosen the protective cover, and then move it back to the up position specification: Material: high-quality ABS material, resistant to high and low temperatures. Non-toxic and durablesize:9.7cm*3cmColor: pink/white.Battery: 1.5V, 2 AA batteries, only alkaline batteries (not included) can be used. Notes: 1.Can not use on the pure paper bag2.Cover the protective case after use, prevent scald you.3.It is necessary to start sealing after press for a few seconds.4.The speed of sealing can not be too fast, otherwise it will affect the sealing effect.5.Use 2*AA batteries.(battery not included )6.the bag thickness larger than 0.1cm is hard to sealing, you can slowly sealing or repeat it several times.7.Thinner cling film needs to be folded several layers and the sealing effect will be better, or we should seal quickly. If because the package is too thin and we fusing a crack still ok, the opening also be sealed.8.The plastic smell emanating from the heat seal is normal, not the quality problem of the sealing machine.9.Clean the dust, water, powder, oil and so on at the opening when sealing.