No Preheating RequiredThis sealing machine is compact, portable and easy to use. No preheating time required, heat control can be adjusted; various bags and films can be sealed; timer for sealing control Fast Heat DissipationThe sealing machine has a bottom heat dissipation function, fast heat dissipation, and no heat during long-term operation Easy to UseJust connect the power cord to the socket, and the heating time can be adjusted according to the sealing thickness of the material. Put the plastic bag on the sealing machine, then press the handle, the LED indicator will light up, and the machine will control the heating time by itself. When the LED indicator goes out, the power is automatically disconnected. Release the handle after 1-2 seconds to complete the seal. Suitable Sealing SizeSealing machine size: 53*8.5*8.5cm. Maximum sealing size: 400mm (L) * 8mm (W) Wide Range of UseThe manual pulse sealing machine can seal plastic bags, polypropylene (polypropylene bags), PP plastic, bubble bags, PVC, polyester, kraft paper bags and tea bags. Used for sealing food, gifts, office supplies, carrying living bags and other products The hand-operated impulse sealers are portable machines used to seal Plastic bags, polypropylene (poly bags), bubble bags, PVC, polyester,, kraft paper bag and teabag. Seals a wide variety of bags & films?Adjustable heat controls?Timer for sealing control?Compact and portable?Seals all kinds of plastic?No warm up time needed Material: Plastic Max Sealing L&W: 400mm(L)*8mm(W) Dimension(L*W*H): About 53*8.5*8.5cm Using Instructions: 1. Just connect the power cable to your socket,adjust the heating time according to Sealing Thickness of the material.Put the plastic bag on it,then press the handle,the led indicator light will be on,the machine will control the heating time itself.When the LED indicator light is off, the power automatically disconnect.Release the handle after 1-2 seconds,then it?s finished sealing. 2. The LED indicator Light is on only when the machine is sealing,it's not on if you just connect it to socket. 3. If damage appears when it?s sealing,that?s because the heating time is too long,then shorten the heating time by rotating the timer knob with anticlockwise rotation. 4. If Insecure sealing appears,that?s because the heating time is too short,then extend the heating time by rotating the timer knob with clockwise rotation 5. If the plastic bag is sticky to machine,that?s because the cooling time is not long enough.Please extend the cooling time after the LED light is off,hold longer time to release the handle. 6. If heating time is adjusted,don?t do any change when it?s sealing or continuous sealing. Package Included: 1 x Impulse Sealer