It is suitable for the sealing of various small plastic bags. It is widely used in food, pharmaceutical, stationery, chemical and other industries. This sealing machine does not need power switch. Plug the AC power cord into the socket and adjust the heating time according to the thickness of the material to be sealed. Put the plastic on the sealing surface, and then press the handle, the circuit automatically controls the heating time. When the indicator is off, the power is automatically cut off. After about 1-2 seconds, let go of the handle and seal it.