The Precision Handheld Drug Reader offers a rapid, simple, and inexpensive screening procedure. This device is easy to carry and can be used anytime, anywhere. The Handheld DOA Reader is designed to qualitatively measure drugs of abuse with urine, saliva, or whole blood sample. The system is intended for IVD use as an aid to monitor the effectiveness of drug abuse. It must be used with its corresponding drug testing strip. For forensic use.