... semi-auto L-type sealer and BS-A450 shrink tunnel are suitable for packing boxes, toys, electronic ... :² The machine adopts heating and stickiness free seal knife, which ensures the machine running well ... adjustable.² Working with shrink tunnel, high efficiency, more convenient. SpecificationModelFQL450AModelBS-A450CommodityL-type sealerCommoditythermal shrink tunnelVoltage220V 50-60HZVoltage220-240V ...