5545DI+5030LW is controlled via a PLC which allows the operator to set the different times for the sealing operating, the temperature of the blades and also the length of film that is to be used. The machine has a variable conveyor speed controller which makes the machine ideal for both manual and automatic feeding. The vertical sealing height is adjustable to the height of the product, allowing for the sealing line to be in the center of the package. The machine is easy to operate and high in efficiency.