Desktop conveyor belt assembly line small conveyor students sassafras force experiment science and technology innovation learning teaching aids speed regulation Product name:Desktop 3D printing motorized conveyor belt Conveyor belt parameters. Conveyor belt width:8cm Effective length of the conveyor belt is about:49/69/99cmSupport material: high-density 3D printingTotal size: length and width of about 50/70/100 * 10cm Height:73mmAdapter working voltage:110-230v Maximum speed:7.6cm/s Slowest speed:1.8cm/s Motor Parameters. Motor parameters:35GMA Voltage:12V Motor speed:116RPM