The machine can works with all kinds of shrink film, variable speed belt convery. The machine has super-strong cooling system to ensure steady transport. Solid conveyor rollers coated with silicagel to bear heavy objects and minimize damage and wear. Model RNMSM6040 RNMSM6540 Votage 380V,50HZ,60HZ Power 20kw 24kw Conveyor Speed 0-15m/min 0-15m/min Tunnel Size 1500*600*400mm 1500*650*400mm Machine Size 2500*860*1650mm 3000*980*1650mm Machine Weight 380kg 400kg Temperature 0-250°C 0-250°C