For coloured glass containers, translucent plastic containers, and turbid or coloured preparations.In front of the black panel, light coloured particulates will be visible, and in front of the white panel, dark coloured particulates will be visible.Compliant with US Pharmacopoeia USP chapter 41 (1790), section 6.1Height and angle adjustable.Intuitive assembly; no tools required.Light level between 8,000 and 10,000 Lux.Bulbs have a service life of 50,000 hours.Folds for storage, with the inspection surfaces together to prevent damage.Optional IQ/OQ documentation.