This dual heat multi-purpose hand held constant heat sealer is ideal for making tamper proof seals on thick packaging materials like vacuum-formed trays and blister packs. It produces a 1/2" x 1/4" spot seal on plastics (polystyrene, PVC, and Polyethylene) up to 20 mil thick. Ideal for packaging of CD's, tools, and baked goods. Unit is equipped with high and low heat settings and a six foot electrical cord. Operated on 110 VAC. Weighs approximately two pounds.