The manufacturer of the SI-0400 MicroPlate Genie Timed Mixer is Scientific Industries. The Scientific Industries MicroPlate Genie has been optimized for use with almost any microplate, regardless of type or material of construction. The small 1mm orbit of motion and the high speed have been designed to achieve consistent mixing within all micro plate wells. Multi-MicroPlate Genie may be used to shake up to 4 micro plates, an optional accessory tray is available to double capacity to shake up to 8 micro plates at one time. Both models may be used in cold rooms and incubators for temperature sensitive applications. Built-in timer operates from 1 – 60 minutes or continuous for hands-free use.