Unimed-Midwest, Inc. Exam room Signal, 2 flags, Red/Green Keep clinic procedures moving smoothly by indicating status of exam room with these color-coded flags. Set up your own color-coded signals for doctors and staff. For example, use flag to show "Doctor in exam room," "Nurse and patient preparing for doctor," "X-rays being taken" and more. These easily mounted signals are made of high quality, scratch-resistant plastic and plexiglass and held firmly in place with tensioning springs. Conforms to ADA and ASNI standards.