... Control mode: The machine is computer-controlled, electro-optical tracking arbitrary set long, accurate, stable, lost standard automatic shutdown, feed use ... of electro-optical tracking. Operating functions: automatic counting, you can set up alarm, automatic thermostats. Main technical parametersModelSHXJ-B600SHXJ-B800SHXJ-B1000 ... -B600/800/1000 Computer Heat-sealing & Cold-cutting Bag-making Machine