Metal Desktop Conveyor Belt, Small Assembly Line Electric Conveyor Student Friction Experiment Teaching Equipment AC100-240V. Name: Mini Metal Desktop Conveyor. Input voltage: AC 100-240V. Rated voltage: DC 12V. Main body material: 20 Aluminum Alloy. Support material: Stainless Steel. Effective length of conveyor: 490MM. Motor: 37 Gear Motor. 1 x Desktop Conveyor. 1 x Adjustable Power Adapter.