Feature Stainless steel tube heating. Shrinking temperature and conveyor speed is adjustable and stable. Finished articles can be sealed, moisture-proof, anti-collision. General-purpose application of POF, PVC. Conveyor unit has mesh belt type and rod-shaped chain type for your choice. Heat shrink tunnel, intelligent digital temperature controller, closed heated air circulation Model SF-4525 Power Supply 8kw 220V/380V 50Hz Tunnel Size(L× W× H) 1000× 450× 250mm Packing Speed 2000~3000pcs/hour Machine Size(L× W× H) 1300× 715× 1455mm Weight 260kg