Machine overview - TRISAMA impulse sealing machine is a plastic body sealing machine. It is a user friendly sealing machine with outstanding reliability . . 2. Operation- the operation of the machine is very easy. Just put a plastic bag on the sealing platform , and then push down the handle . After 1-2 second ,release the handle .The perfect seal is complete. 3. Purpose - this sealing machine is perfect for sealing pe and pp bags, to pack various kinds of candy ,food stuff, general merchandises, stationary , bakery items etc. 4. Indicator light - the electronic circuit controls the heat time automatically, the light turns off to cut off the power automatically. 5 .Timer knob - this sealing machine includes the feature of timer knob. You can increase or decrease the heat time using timer knobe to avoid any break, damage or non tighten seal.