Data on nearly 600 projectors, currently offered by 55 manufacturers, is updated and published quarterly. More than 100 data fields are used. The database is shipped as an electronic spreadsheet.
Users can sort the database using combinations of the data included in the fields.
Performance, features, and pricing comparisons can be made by product category. For example, it is easy to compare the brightness and pricing for all ultra-portable projectors. A variety of metrics have been developed to facilitate more sophisticated analysis. The database is updated quarterly by surveying manufacturers as well as independent sources. U pdate Methodology Projector makers are surveyed quarterly and information on current and new models is updated.