SOLD - The Lab-Line orbit shaker, model no. 3520, displays its speed, which runs from 40 to 400 rpm, on a tachometer. It also has a durable stainless steel platform that orbits at 3/4 inches. This shaker can be placed in a standard incubator or an environmental chamber, or used for benchtop applications.Condition: Clean, previously-owned, used. The nonslip pad on the platform has some spots. Also, the tachometer does not work properly. Sold as is without warranty expressed or implied. Buyer is responsible for determining the suitability of this product for their application.Note: The photos shown above are those of the unit that has just been sold. Photos of the current unit being sold are available upon request.