Impulse Heat Sealer Plastic Bag Sealing Machine- File position: 8 gear adjustable Power supply: 220V 50/60Hz Color: Blue Sealing speed: 5-10econds It's very easy to use Impluse sealers are widely used in industries and they're most convenient and economical which makes it suitable to seal every kind of plastic film and it's widely used in the fields such as food and sweet stuff, drugs