Features: * Seal bag openings up 400mm. * Auto control of heating with a LED indicator. * Easy to use and long lasting. * An adjustable timer with 8 levels meets various packaging needs. * Tough iron shell. * Automatic shut off function. * Low power consumption. * Built in fuse for safe using. * Heat time is short. * One button operation, easy to operate. * Ready to use instantly, no warm up needed.