Compact and portable, good sealing, storage or refrigeration is more convenient. The hook part can be disassembled. Great ideal for home use. Press the" +" item After 3-5seconds of warm-up, move the seal and sealed the bag slowly. Hook design, when not use can hang receive, do not take up space. Operate simply, aim at the opening, from left to right, gently stroke, can seal preservation. Two function, one is a sealing machine another is opener machine. Material : ABS Size : 4*3.5*14.4cm(approx) Color :Gray. brown Battery:1.5V, 2 AA Batteries,use only alkaline.(Not included ) Use: When sealing need clamp the sealer with the bag , and wait 4-6seconds for warm out , after slide the sealer very very slowly .This heat Sealing Machine is Operates simply with new high quality 2 AA alkaline batteries (Battery is not included in the package). Packing: 1Pcs *Sealer(Battery Not included ) Note: 1.the outer shell should be opened and the battery should be installed according to the instructions of the positive and negative electrodes of the inner battery tank. 2.The plus sign and minus sign of the machine shell are not the positive and negative poles of the battery. Please note that the+ of the machine shell indicates the sealing and the - means open a seal.