This Wyatt Technology DynaPro Plate Reader WPR-11 is in great condition and was removed from a working environment. This unit came from a local lab that had surplus lightly used equipment and was in use prior to removal. We urge customers to view all photos as they show overall condition, included accessories and functionality. Listing only includes what is shown in photos. Sale of unit comes with a 30-day full money back guarantee return policy. We will be happy to provide additional information as well as photos so please feel free to contact us with any questions. DynaPro Plate Reader WPR-11 ? Dynamic Light Scattering (DLS) and Static Light Scattering (SLS) Supports 96-, 384-, and 1536-well microplates Minimum sample volume: ? 4 µL Temperature range: 4 C to 85 C (programmable thermal ramp) Detects size, aggregation, and molecular interactions Compatible with DYNAMICS software for data acquisition and analysis (not included)