This Handle induction sealer is a manual sealer, if you want to seal caliber 20mm to 140mm, need an extra sealer head. Characteristics: Because this is a manual sealer, the capacity is low, it can work about 30 to 50 time per minute, besides, this sealer with a bit high malfunction rate. Name Handheld Induction SealerModel ALFS-140Voltage AC110V, AC120V or AC 220V.Power 0.8Kw.Seal time0-50times/ ...