Alco-Sensor IV with Memory System for DOT TestingThe Alco-Sensor IV with Memory system for DOT and non-regulated workplace testing programs is an economical and portable breathalyzer, and is:Approved by the U.S. DOT as an evidential breath alcohol testing deviceEvidential accuracy exceeds  /- .005 at .100 BrACGreat for Regulated and Non-Regulated workplace testing programsLED display prompts the operator through a DOT testing sequence, greatly reducing operator errorAutomatic and manual breath sampling for greater precisionAutomatic 15-minute wait period countdown following a positive screening test result of .020 or greaterPortable breath alcohol testing systemStores over 70 test results in memoryConnects to a rechargeable battery operated Martel Thermal Printer for smudge free print resultsEach test record prints the device serial number, test number, date and time of test as well as a line for the operator’s signature to document chain of custody of test resultsComputer capable: Total Recall software facilitates uploading test results to a computer and generates customized reports from a database of test resultsTwo year factory warrantyWe are the only company authorized to provide technical support and repair services…so you get continued support long after the sale.