1.It is suitable for the PACK-COMPRESS mattress,automatically sensing the length, width and height of the mattress to adjust the amount of film. 2.It is suitable for the PACK-ONLY and PACK-COM- PRESS of mattress. 3.The two kinds ofpacking methods PACK-ONLY and PACK-COMPRESS are switched in touch panel This system has Self-adjustment for differ- ent sizes of mattresses to adjust the amount offilm, with automatic trimming function.