CBH300A Shrinking machine 1Ф 110V with GYS TYPE MAGNET EARTH, 5 carbon sticks, and 3 air extensions Stepless power adjusting with a very easy adjustable power according to the user needs.Powerful main transformer and high duty cycleOperates with extremely low power when lowering the power settings, to avoid any panel burn.Comes with a built in air cooling system that can be turned on and off. Can be used just for cooling while the rod is not touching the metal, and can be used as well while shrinking the panel.